{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328228955",
    "entityType": "User",
    "nonce": "0xe0ae0b7e1786207a718599e95d57a853b2ec37d5ecec0e27e29bf6657c39268b",
    "signature": "0xb6dabf79cf3fd51e49a084a7b59be274706e663e91a7a358c8ca906d3bc957553d6d8f065e3fc323598547ed6bac011cf63aa4ec349c4311a0bf646ceea7356a1b",
    "signer": "0xcdc0734c3fb9B0268b57E3D7c349CDa461D3eE6f",
    "userId": "29056"
  }
}