{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143127",
    "entityType": "User",
    "nonce": "0xf70f301c4ea718d46abe35c11a5b0b44dfbe47659d4d5bf892d30a4d55063315",
    "signature": "0x344fa1f4edceacfce6f3f15dc8a56501a36162a06019f7a1bf08f5317402910403b99926e6b9baddad2a0ecc4f38ba3424392adb53d40d771e14e05a121888b51b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}