{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0xcd15974fd0548e65aa5a7a8de7f4135ca8e07239c2fac1ed6ab93387ffdf4360",
    "signature": "0x7dbeb6ce5102e0758f5f11d99aee5dc5e0875e8ac5cde57a98264b9ba6152c4f0b01ef8ae864b288fcea3408b982800246f0595e9e0142c2ae8dd8151295c6811b",
    "signer": "0xD4186490eA39e450cAe5e557A0739c6dD45Fd9Ff",
    "userId": "561643473"
  }
}