{
  "manageEntity": {
    "action": "Update",
    "entityId": "985569408",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd3ba5ee2d9a80f9d032f4be1c9c9124028c2e7d3a85078ba19e4bc0fb80b8829",
    "signature": "0xf12ab3e1f84e61be5e19a5f344c91a9a147c9592bbfd4edbcf75d9079c13a19f42b63172b4bff3c5815f4797ff4822c3709b545a78d3b58d954aa63d1fe65bdc1c",
    "signer": "0xBa078faF8515EBE52d86589113e937F9C99566a2",
    "userId": "985569408"
  }
}