{
  "manageEntity": {
    "action": "Update",
    "entityId": "692580670",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3b3871da04d39f699b622437f2a46666e56e693b712402347ced0de81285e960",
    "signature": "0x23792e343bdfb3fbc2215b180c89872ef3a76117296875d79447624cee3c67404cc426a02d70e3cc633f878d6a85d42b9caaf3375c9510af713d788144e8c5621c",
    "signer": "0xa3803b318f0ECa5DF0c56f44562B6655c67C1FFF",
    "userId": "692580670"
  }
}