{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x2ea8dbaa944cdac811df77b17baa393f3288e3ea04ae40cb5c0d4be0c1a9968f",
    "signature": "0xc9097b7ceb30f453dec27a0b7049ab576f55e7916f048ea291fb946586c7e8fb2179012a41f62c750941b05013db750adc923b828e034f25a8dcfc1ea436c4261c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}