{
  "manageEntity": {
    "action": "Update",
    "entityId": "98721547",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x152f8251c4e82e0277e755981ee65521c31a5ca7457b012f40420c0ccf310783",
    "signature": "0xb345b2cb4fe2b6e0b451cc147b98931499f709a06c0e5b93f9a62e1b427c63483b02d132546aaad7465d4fd34933c7f671a2a0437b299686e9e4d1f3ce1255ee1c",
    "signer": "0x322abE0CE2af9b8a0d95D9632d5d7Ae191C4F285",
    "userId": "98721547"
  }
}