{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385605",
    "entityType": "User",
    "nonce": "0x45a3fbb0716208b6769c8025a575e41d81629a87e6ad908ff15b1fe8f6a69ffd",
    "signature": "0x557cbdd5bd4044cb60422fadda4954551d97ffac21a86f37bebded196836661346d0ec33148360a167fa35316ee30afc4b4a409934d0e9a389af06bfbcdddf321c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}