{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x523182079488c82040a144cc8be44df1e6c5da9095c809fda38a403e936fa5d7",
    "signature": "0x15f05d0055a52a6867dc4a9bafcf4ada674b531a8ecc8101a513d01ce297ef035c61318dde9c7362be7de2a200566e84d3fc2487d2888be172176b116e26740b1b",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}