{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xf0717b41a2fe5003414ba103b059441159df99ce081d5e8f1bae263439756bcc",
    "signature": "0xbd7a57397e7d6018bfd0ab74c4d46d2a4bae7bcba8fefcc04dd9f6064a2c039b74899b80097fee1ebb8276feb0008d7c546ee9e2b2b3a80ffb33b4bd0c77f9021c",
    "signer": "0x9731c27a228046e65489b08a1C3f1A64f7093B55",
    "userId": "848409996"
  }
}