{
  "manageEntity": {
    "action": "Update",
    "entityId": "585052124",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x547ed47d23de05b5f3312aa7bf75f09e24d34c8d66f8449b78fb3beee3fbc296",
    "signature": "0x4c8454f4d2156f460fc7fa24f80b2b1334cdf23035aa9454f7168642206cd79c264d23b0e0ec51e733bcb806b48bedb2f711cd127f483b5dfeb82fcc911b2bfc1c",
    "signer": "0x0bc835aE7F414747b88bf305cCa10da8f1ABC947",
    "userId": "585052124"
  }
}