{
  "manageEntity": {
    "action": "Update",
    "entityId": "29088079",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7f050dc7174364bf2102b4e2f8eb78011aacb7be75e476654380e77025b33b47",
    "signature": "0xf9ff0d86c90cdc6fa194083654213e69c8958fed46a8c075413e55a4dba8a08479ada88199d89770fa4958cb18b3409501da30fa172992318f07002598e163801c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}