{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "822634025",
    "entityType": "User",
    "nonce": "0x487ded7b9eec7cae2eac32cb48d838885fec96ba982b7863694c3925f3e3cb2d",
    "signature": "0xf5b81d6d85b0fb3b2ab6068b1913379ccc3e21bfdfe4fdafb694a9c5a7141531047dbe4f93c0441cf09f7a30bc8ad2664729c6b320b2b5ef751bca64439fa5121b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}