{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34391",
    "entityType": "User",
    "nonce": "0xf70e2c35006d3786f5cdebbacdeb4dcc97b8336b20d31640746b7b700be01720",
    "signature": "0x785c5efdd3f7c434ed35c5b5cfe7e783713e834bb5f93639f6bac4b8d989ee841af451dc33b66f25d666de6e22fddeb96e02eac21aa6ef77f8d2465c433ba6c61b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}