{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782622982",
    "entityType": "User",
    "nonce": "0x155924b21a14063130c02da5192fcba10816206810f6d79a4faa9393b0620933",
    "signature": "0x3136f295028185f9ba6076e8c8f4aab2303ffca43bd1f5c81f33c0842010500665ecd0631f3e3027d666df75b9db480aeb23ab74cf83764c32b378c3233e8d461c",
    "signer": "0x73cf94253346c7DF065F3b30C0f1eAc0871A6dE6",
    "userId": "330824499"
  }
}