{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb86229f40ccc871db3d001663104d18e3ddd77d095a941a1f811a827ec4aff31",
    "signature": "0xeecdc7d4a134e4e5ed9dc0b65159b0d321b52ba72ec1176fcd1f101653972d0676380215ff20d628ec053bcf0a8992e262f2a40783f24a6319a7bd96a8a6eef11c",
    "signer": "0x386FA3AB32a060ef5d5c2967c8beb89E34912003",
    "userId": "799504832"
  }
}