{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x626fcd3b31700c95a0f382810af62bec49288cf4d3848b6368fac69ebfddcb90",
    "signature": "0xe0405c56ce63989a25fd7575a29fdd66a4dcf96b126786b42917d17bb0b57bf32724576467775ea7e039e980ace03d657af54163d6d7f3b0ccc55c7ef1c57f8c1c",
    "signer": "0xbb17c35b292E001990126fA01C53cb86F08EF9B7",
    "userId": "874070579"
  }
}