{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x8db00c0d5da1bfed10c0cc9dee208767b35d4490c674ef109fe75202383eafce",
    "signature": "0x4821932d34438d513a018cf403f2b6020b73e935f9e9e107e2d3e09c14521eec528722868ac9f971ecf13b0859992422dec46d990dc6f802f551478e6032015a1c",
    "signer": "0x975699e892A0a2f2f16d2b8950Ac7C882B8EF555",
    "userId": "544952248"
  }
}