{
  "manageEntity": {
    "action": "Update",
    "entityId": "944117628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf834a9d6328ab76a389c140b8b3792f5370c7f7aca4ad66597a6d51d6df743ad",
    "signature": "0xe21422eefe966bb03cfd425538a087d67720d898c6aca2f3885e5bb4edb1da7213b386daec1a6360bb39f7fc84e0c3cb03be1d002e59c3a3de953b5e947108e31b",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}