{
  "manageEntity": {
    "action": "Update",
    "entityId": "926542316",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7f4b5648e03827a186817046bf4ec11416e80db2167fb8543a18e1dd61a5885c",
    "signature": "0xb36506eda293892fd0c83ca7c4562876c5df0789a242e1593e6ed88b604029a90228b39d5de11ae787b2f9fb702f77515483ebb30448176e118256371584bf2e1b",
    "signer": "0x26590991A284e05EDE76d2E67AeD8f75686f0AbE",
    "userId": "926542316"
  }
}