{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196632465",
    "entityType": "User",
    "nonce": "0x18df33321637678d56f9ec4f15d28ad74467ab0ce72c05dbfd3e530c5ddda76a",
    "signature": "0xdd14114bb6156b06ec09335ead39b9b4c744ce11df17d5d1ee1c52d1b095c60453db12f2b049803449630b5a60091e04ebbeb54e48062c86a2faeadf3669808b1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}