{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19146",
    "entityType": "User",
    "nonce": "0xe43433460dd927b62fcb577f61bcf401d3dc8c81d4f19916e40659cf94715622",
    "signature": "0xbb1392609957754c43c3c0448df6c6e151dce59096f002cdf8b09f1adc0864272fb4c4a799b0bb93857ab549dd8e9d48b22f6e55f4a2f9cd1511c9589206bf0a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}