{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120501",
    "entityType": "User",
    "nonce": "0x7afdfa60d4d539e78b30e4e0159d432dd60f6a97e1e37364c62fb123418b3279",
    "signature": "0x5ff7bfa86f80cf2df3cb9a09801de33ff4ea49cd98a6cec953de9857ed964d2425e83e26e9639eb6390dd71ed6a7de36a0a0a3c4303f17814bf275aff976afaf1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}