{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x9de33609f8121963195a047a08d37699df806cdfbbb4f1b609d7fe483116e82a",
    "signature": "0xa27028cdd86f5b22423be77963d0a5a9933d8aa8f826fd12f94dd45b11c81dec466ae1cb7ba7f5d9763a7e07dad76d97da3f8c4ec8cfc9990819aa793221d6351b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}