{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261685578",
    "entityType": "User",
    "nonce": "0xa5a05b255ba341d10214e5724b27c0aca89edeec4d05e396528ed9af33918ace",
    "signature": "0xc016ca7a6bac3c212898b5de0275196cb00f7afe33602fbc5931da5026387a5768ec4a0c9236b92d829de21f6ebbeb4afe614111d7d620667694b7065d0387e41c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}