{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183888",
    "entityType": "User",
    "nonce": "0x4aeb16cc442c1d4d01631ac491a1d0db1a659b23ba8b1f3fc8b876165bf09f76",
    "signature": "0xc6db94cfd0685adfdf40a764796a674e131011ea6e94f9c52bd4a0e660e2cebf6f9c80978a5a9afc92699b6f82931afae90cdbee4b72b4be3d68cc8613f287111b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}