{
  "manageEntity": {
    "action": "Update",
    "entityId": "13589021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratgstnkvm5wjtlfjn5ck6voio36k373eptyeza5tvduo7t2tnmlaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":323987660},{\"type\":\"playlist\",\"playlist_id\":1014079056}]}}}",
    "nonce": "0xf504137ca011a1dd77d4eb8cc8bb6edca42399e1f997310db8ce8d3720ef51f5",
    "signature": "0x1227b6666ebf023fc73f59cf98a65c7a7bd15048213af497ae65cd83dba0da5f29b5b9cbc93c99fa48256f2024849ad9d08ecff77357b7d2049ff444cb0b56111b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}