{
  "manageEntity": {
    "action": "Update",
    "entityId": "205392",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7fy6m775cusryk553ikdhmpxgmacdrcuk2dai56rqbwdjcj2c6nq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1060468116},{\"type\":\"playlist\",\"playlist_id\":110985566},{\"type\":\"playlist\",\"playlist_id\":135562356},{\"type\":\"playlist\",\"playlist_id\":691443827}]}}}",
    "nonce": "0xe61e5c870b0cd02fe3828e6773310396be16a38c451a57b404ec180c485ad06d",
    "signature": "0xacb3a96904e31b709f0b3120b521a5f319231463301165d9f6ea0bb5c6851a2c06dc4a4866a54f964006ed45c68f6925908342e7c1480fe0b34c34a73139a00c1c",
    "signer": "0x77eeD8eafACd826a3ea00E1443bFaE2a8db87fEa",
    "userId": "205392"
  }
}