{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1717913",
    "entityType": "User",
    "nonce": "0xc29acf4911f504f81769df99d5b259bc9e0d0b1a12ad8816ec6cd062ff37a23f",
    "signature": "0x97f677e82eea0bdde2e9f00e7099b5da148634e3f08566e0873f39d07d4e99a2020f2a7c9f3d5694f3c19f750ee03edcbe3345e3fa8a88f26a5f84efd612e3cc1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}