{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790095143",
    "entityType": "User",
    "nonce": "0x8d047fecf26f7a8f59b1033fc20571ed23cc33664bfdeae29cd3262f8855c758",
    "signature": "0x566519a628e00d95f64bf46010a529f5a75685abc60fcb798f676c4dc924dfe45021a6c63f1222cb3064d5470fc097574092adae65a29154b8e4aa530a38ccd21b",
    "signer": "0x58E590293E7aC2D466d8902594f0f2Cad494dCeE",
    "userId": "921946884"
  }
}