{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x18b67c3215b576592a485743057aa20ce896d5bee274ba50c6c2a8ca4c4644df",
    "signature": "0x392090434ae3027f4c857ea27530cc170a2a0b0fd83965f641aceed991987ef13c5bbdbc67103848039fad14302c72c0caa3fdc7687eb79f7cea858adf55cd3c1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}