{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2985efbbb172a2b5e7f8beadd7aff43ca51d012dd33410a24bebf54e5281187b",
    "signature": "0x574ddb6ae1cd7b9ba2c2a2e1e08f57588e648f36b944c90fd5896c94017228ff0262dc84dace8ccbe19c5106bf992b332c3aae0ab9e3b39571ed8b5685150ea41b",
    "signer": "0x0E7E3C9fa1e51D3CE85cF3f6d99BEC90Ee80a115",
    "userId": "965467562"
  }
}