{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6f1b5f88f0509bf89e671a0b9f556d30e9248eed0277bba69b6778623be9f211",
    "signature": "0x4fff14431dd54821df15c88f9feceab0719777b396b83f298b6559024d17d83e4608b03854ba9c6bdbb7cd34f8c11af4f9b970cc359d8b0aab38b3fc2f2fc4da1c",
    "signer": "0xC276fF68426672F516C841b992c54507ca235637",
    "userId": "382050600"
  }
}