{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22160",
    "entityType": "User",
    "nonce": "0xd2b16efbef51305f69d2e426cd7ffdbc12469e7a3eda5f593745292ea6768898",
    "signature": "0x8ec522b06888d454a2fdf75e2e273d6dee0142396890311fa7acaf699bddb20266be8aba1524d9163b5faed3f9d946c61256249bc5e37eeba0c2dc8c996a2f4a1c",
    "signer": "0xC4F1D4AD65Aec4aa16A50FcbF32a9c685a22cf01",
    "userId": "551975061"
  }
}