{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373433",
    "entityType": "User",
    "nonce": "0x41fd6da771a9c94f2093507689ac1d9025b749ee4a6f612c0d4c732c070cafbf",
    "signature": "0x8dfa7de6699f49601da0a11a4fcedca515e046f3c5c2e40a9a58f977b6d99ec40f67cc8b5a62a130f1fe39a6c201fc72ba45db08566859c56eaa36bfdc8b63361c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}