{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x93938e5ff780846b71a4ad1083312b79d2c8e6b379bf47f7f3f723ae6a273907",
    "signature": "0x4a12fc04d13d30e60c40303b373f1dc13ca88539482f1537ac405198c98d556c12cfce35d84f76954a9546276eaaea0b10d0d222d31e962926ed3fe12f04202f1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}