{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x503144c2e6fe309ceeb8c3d0b5abc941d33d7356d052eb59bf19b80c6ee6b8eb",
    "signature": "0x380773884742e362cddcb3b4de70eaa8b53345604344e95dd595497b89e7791304c14e01c71c346850ca05fddb01774990987d6dee7681fd0595ed24aace6eae1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}