{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x15bb79003ac4cb20720c504c914419eba227c4e1ad314403e05fded318d93f6c",
    "signature": "0x1c525e3cfcff525c27aca83e987676f1f9f5718c0bd3f843fd0b36b07b71a6f8175d4b9caa8739ef65ecf87ffcacdb2da74c05f2de10342bc91dd7d44671fcdf1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}