{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0xdce8abd464b9a2fe51b2c93c9adc99762737e9345769a4fe5ba5844b4ac0b492",
    "signature": "0xcdb8c1760c49010041d5bae738419fdd81e3273ce30a0d8bb11f022c24cf31b12836683dbf8ce5bbc58715e388dee4b5fc8762aa3b10c9d7dfdceaa09f5a9ed71b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}