{
  "manageEntity": {
    "action": "Update",
    "entityId": "956961571",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca600e7f767f1cf883ea06056aad811ad614f93e0323d52a0ac1eeceb5e616f4",
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    "signer": "0x9222fd469d5905C6e5497fae8D2B3a42036E3b1f",
    "userId": "956961571"
  }
}