{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x142acabefa7ef6745911d10c861b2faa1ce771530231d0dccd88de1b0518fec0",
    "signature": "0x8cafab09a4fc471d4191a2d94dc6e2735de54b69f97bc0df129823b962eb0dff22c4bbd0af26a530bd985fdc59f5e21a06ad20a2c9052519a0f0ad83c7e276891b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}