{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x04614ec858a83d352e71bd9110bbc0c6d08899059fd5666597d68eccc437a5f3",
    "signature": "0xb51e80f1c6c6b6b9fb541dd219c728f75a10444e45951b3b9a376c361033c34e2b53f189ddd91c0f5a616cb73ce309cbdb10c96939383e263fca4d95a54664161b",
    "signer": "0x1A64C0A21915fdd68011BDC6f7b08F69150b4d5A",
    "userId": "928424962"
  }
}