{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7203",
    "entityType": "User",
    "nonce": "0x520b15af9f0d0f1fd3e732bf506090783c78dd88ef886ed03e91bcd9bc1cbafc",
    "signature": "0x8d41129f37fd5c2ea593cfae907fc0d0c98509039776da304cf988ca3fece8b358208acfc60cbdc1b155bab05248544009e272a8c7261ddbafbe91624d0540ac1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}