{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6e828fcc4a72bfd61e1831898b663aca613da9a0d88e657fb885998a7df56240",
    "signature": "0x27fda8e82c7e0163acc89653e8deb4b1121a7a8f543676b2e4d32e00d850cb6d644f6e6f5a1df915293adc076a51d3c0d17d582944c61d6f87896f83e806376e1c",
    "signer": "0xBd1Acc82e41C7BC87095F9BA64fCF986BCB746D0",
    "userId": "842041901"
  }
}