{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61055",
    "entityType": "User",
    "nonce": "0xefa99491c2d80e5416caf57f1f398201f9cb69508c79837d6abce198bf59397b",
    "signature": "0xbfd177d1ffe8d6b39535c792d5119510f0f92aeee01f34e66afed6f5c8a73f175a204a941476cca0b3aa169a130579293c7e9b16c23de457bee5123b253742051c",
    "signer": "0x54843d003DCBeEC3EAA58af1cD2BFaf52E4d065e",
    "userId": "106509815"
  }
}