{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31910",
    "entityType": "User",
    "nonce": "0x5e4dd2515b11313060e7c050b4d39d714fc1636844b9043994596e11e9830006",
    "signature": "0x3aa8c7b019b124f035c17643ac9d77ea7f27c028241d9e0a822f71dcef3d96842247779e601b849ec508c6b48510ad6273e236f40ff6a9fd84095396ee793aa11b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}