{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79a8e23975f6bd99a0c7d3b2f8cd7c0b2cc769f520d0ec1fc9ba44c9ba6b9c05",
    "signature": "0xe467df80a4a8e95cf530c237ee5c0cdc1f1180a5583ec5fc28bc87455eeea59d17d2b99ac0a2f431bf911d507ae84c6b8bc82d2671b3bc89938eb999d673c31e1c",
    "signer": "0x9053379e994f9cA132135BB6Db06677C412EaCF6",
    "userId": "979575918"
  }
}