{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x18a8dcb894bb2461a314ee7d295dab55c7cdbfa02ad08c0b206dcf7fafc847bd",
    "signature": "0x216e0ba82c1df38ddb82055ac6855804368a4dc911ad2a0e5fe713b6006d687f6263eb61792825c446df7d37d286aea1c7cf6f29b0f3fa2913ea36feca28a48f1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}