{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145972",
    "entityType": "User",
    "nonce": "0x17773b93fdaf6f2120c65d639ab829d889d40005c5485120ae187ea45ff4dd5b",
    "signature": "0x24bf4ca06a6b19209232551d49149a54570141d5414a11f9950437794af7b55845c24898f17c4892d2bec7b979e53c52899837dcc424165b32b43e6f0cd9bfd41b",
    "signer": "0xeC1219421eB7c3f9Ae2846E885f45BDb4509ccF8",
    "userId": "892020777"
  }
}