{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487028014",
    "entityType": "User",
    "nonce": "0xfba8e339b8f6232933de47843a45353cbdb0f36da61d745c0ccc572cd6976432",
    "signature": "0xa7a76cd2a4a439ef6a2adcfe0fbbf9fca6747e930016d7daa4edfe26bfb154e81e764e7cf33012133e987ef160c5b00747d058d7cf8cea2fd9a9bb101000eaf41c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}