{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84072274",
    "entityType": "User",
    "nonce": "0x23ae1488478fb10c3f8fd5b5cefc6e38aec7c2a03dd47d013663b198ff977274",
    "signature": "0x61060e8ff796d09a37be3b405ebbb55e435936f9066440ec7cad3c7e6561058136f507b72498bee1fe2cf4cbbf9e6dab307995c8777b467d8857ef7ecd0b41221b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}