{
  "manageEntity": {
    "action": "Update",
    "entityId": "860699447",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x09befae6f77407353062af5d21b4c82defbfeab2e33e57fa7270095bee993976",
    "signature": "0x1e9e1ac05b60f45d6db7b20d0870e1b015f4d00b1d92896fa36cbfb76ddc4f807c62819094ed386e7c73f7e3f494f55ddb5044374ee50be9c732ba2a3784ed5a1b",
    "signer": "0xb52E8FcE6ECCedf0147ce1d916621AB9fdA52bEB",
    "userId": "860699447"
  }
}