{
  "manageEntity": {
    "action": "Update",
    "entityId": "907403350",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraews2pn2yqs7g6mcbijelira6tltc3zketlx7omp2gh4w5yug5nyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2138568950},{\"type\":\"playlist\",\"playlist_id\":903220488},{\"type\":\"playlist\",\"playlist_id\":2073671928}]}}}",
    "nonce": "0xac0b24d3a57412c9473cd81ba4cebfa5b39ecfc8ea1319d202119668986d674a",
    "signature": "0x06354a69c99e023e64fbda3c4fcf10d12723496a2cdbde57521e43c1457db5493bfa695b28280b32a06df93f8610c3ac9f0d65fe388aff89aef7d66de9013f4c1b",
    "signer": "0x86eAf47d5f971A41E77E8E60f25E321E25451104",
    "userId": "907403350"
  }
}