{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842470333",
    "entityType": "User",
    "nonce": "0x4949b0c4fe4202af9ee762ebe1b000d882ec32b567bb85ab75a19e4b00dd76df",
    "signature": "0xe167bc2251d805e6b00a6c53ca432e51551e1e07017de8811a8c894d7f3e033d23c9180e8e2b7decebd12456251a4b3fd1a78a4a33a67a37f173eee1c576f4eb1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}