{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2040766",
    "entityType": "User",
    "nonce": "0x7f922a1d4c9419bc993271590f473bf0d39b56ec0f6fda25504b8fa65624760e",
    "signature": "0x1d4f638f9aa51ee37d58bf516b7526361fd68aaaad6b1f1b1f3f6dbe57cf64580751ac2f1d5b9b92a0c4d3493fe23d5bc37c74872c90f8a457112562d7d2b0ec1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}