{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x2995106cd55be5a1a5ceb069a925499a0bee39914436b8dbb01d8f8cfa055107",
    "signature": "0x4779e14df7ba9c8939af1f0ba98a01fc53f384b5f08d39ef12085c80c4a7f5a97e4f1c5e7dfabba2e8b09f769a3a71f1ad0d42c24eb4927443f512b47b9a07531b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}