{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139146722",
    "entityType": "User",
    "nonce": "0xbb3f1000475091f53d4d7afee4e399d4c8ad8c0c68597dbd262fce17963b3544",
    "signature": "0x9a86f0b42c9653963060f29f790dedf1b56c0f048acec81a3b558e93f44be9625b186161cd7d23867dbd17096106c27f9f06d1d7fa5a76a113fdc87985f001d31b",
    "signer": "0xca893737e1b1765598267A674C70600eBF23C35e",
    "userId": "451786021"
  }
}