{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x5fb50c8b12e632bae3a34489acf2d0238bea2800fa441cec617b3e9940daab87",
    "signature": "0xb0f3dd749180bce494ed5d0934ed7b916b71eddb0958b0efe27c3ba4d278334e6666269c800ed6698826bee65233e6ac545894852e3b459d2479f828b985b19f1b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}