{
  "manageEntity": {
    "action": "Update",
    "entityId": "846847743",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraid364o4mn52irejp3z3djcl3aftcmkw4po3ccg3aljidbzxpsz2a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":681565435},{\"type\":\"playlist\",\"playlist_id\":2018600063},{\"type\":\"playlist\",\"playlist_id\":1077839636},{\"type\":\"playlist\",\"playlist_id\":2098772391},{\"type\":\"playlist\",\"playlist_id\":1808197955},{\"type\":\"playlist\",\"playlist_id\":1300731587},{\"type\":\"playlist\",\"playlist_id\":1287444655}]}}}",
    "nonce": "0x4a90cb9da8fb126ac1be2b15160682ce5392e2c75dd3218765f0e14d8845bec7",
    "signature": "0xb9a49d9d387b7ca62d17c546d24283e402aa088bf1ec15f1ce6e8dc489f50ed13a12c9b8af2d288a26ab382d1252b02523f95f2f7c9815e442caec7a265f407a1b",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}