{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xe10e23c10f710c363444c98c025620b4134f59202bdf6e239b9f9f65b54e7377",
    "signature": "0x4c2fbe20921253061372bba8b91a8c06893af26e1a0c36b2e3378b4defbb78c8082f9463e52e828d8033d41cbf362b67c0d25f95ca867bf6a1448d611bac74321b",
    "signer": "0xd832cDDE8Da519b6aD56d440c66722AC65cc18C8",
    "userId": "755155896"
  }
}