{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949295002",
    "entityType": "User",
    "nonce": "0x2a326f0cb721acfaa8bb1525250ecb8cddbad28f22be75d3d772e05e3d232bc0",
    "signature": "0x32a37943f79f49f28b4614b6a2e8f2197469a999cb9110569233cdd10f5eb39543d19dde71e233c3e0cae887b69c183ba7f58f3ecc61e8abcbfbb4159d88a3161b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}