{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1464601",
    "entityType": "User",
    "nonce": "0x71f767d0767ff1233a7def299e7416735e1f4f55caec79e06d0de24a26183f2b",
    "signature": "0x5d8ba2f537b63f778b6dfbf0f019b38b1ed6447d09c76e50650f8969879189d5506fd87903851221069afc678ae1c9adb65e4134a529aed4cacea60e3544f1fc1c",
    "signer": "0xA09C93F41C5Eea798006AF9F643B06777a6f9a96",
    "userId": "704608287"
  }
}