{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0x8c30e9f5538479d5f3b880d70418011274ab540840dfca2508ba8e07e678adfb",
    "signature": "0x543b072d64be14db41ff6cc3f7b798856a17f43b7cde20d71a57ff56946280495e7d0a22f30dbae0c81108a33bab2a5cb2f57e33ba517afc8ecfdbbcec57afa41c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}