{
  "manageEntity": {
    "action": "Update",
    "entityId": "84172863",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraae6lostev4zpqi3vrv6vurdwqguc4x5tnply5tlbnhenea2ath6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1592185710},{\"type\":\"playlist\",\"playlist_id\":1420925739}]}}}",
    "nonce": "0x5576085173068fbc653f523e25f985b61c8a26d7ec0ba36062b74e1398891df3",
    "signature": "0x4bd78fc9cd735d247d93c0b4b2f366a1412b33e13997583c795aedb26b3d3f8e1f5f90c0578ffa4c1e8cc221af480ba2d991bc4077fd62ac8bdd6396ea08e3ad1b",
    "signer": "0x7B8870Bb9a687d4cCe91A5Cdca9Dd733740FC73f",
    "userId": "84172863"
  }
}