{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "952154530",
    "entityType": "User",
    "nonce": "0xd2e388c5adf3d6eaeb5f4dfcf9402c79a31958b283175c79a623f9fbcf861fa4",
    "signature": "0x276b9d3151ce8decfb1bcf8bb70eacfd1f8cfb6f30a348915f3ef931bdb7151c54ed47fcbdc70889f1bcdb8d9fb96b1eccc95e34d14c51e4ad273daf9d3e37cc1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}