{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217405",
    "entityType": "User",
    "nonce": "0x48ef7b7ec8d51e5d959b76d4ee3c07f0a42843f1c6865ce84afb9d84d51d9a39",
    "signature": "0x48676f346fe8cc758b09788cfe7be8174357cf077910ea4a2c1cf6e3024a9fe367f4f97b06225c0fef1b4a9398cf2bab683a48bd6a630342ee40fe4728f20dd01c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}