{
  "manageEntity": {
    "action": "Update",
    "entityId": "265134730",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraennh2e5se7jdgrxg4nxlnalln3n3djxjdoh363rsnwa22qsg7duq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":458928118},{\"type\":\"playlist\",\"playlist_id\":388439540},{\"type\":\"playlist\",\"playlist_id\":2067613756},{\"type\":\"playlist\",\"playlist_id\":916013232}]}}}",
    "nonce": "0x97d9bf84abdb0fb5b2e7d64b646ffc6f947770fdff66c2cf188e2a87ec86e7e5",
    "signature": "0x3c4fdce85484d3c1de154462c34d1cb48c9d6cdbe84d06c50f82e5bf1719c6dc4fa2b5d09576e4d9b72fc86318e29d749b78fc17f801c3567dde0c2e1e9437781c",
    "signer": "0x27686c69c3E5E4BE1014e8b5880ffD7BA8713dDa",
    "userId": "265134730"
  }
}