{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327534718",
    "entityType": "User",
    "nonce": "0x78a6cd63a74066a3ec243d5efb552473bab59a58a9b9f48eec5f021c0b46e12b",
    "signature": "0xfd50ec5882a981300f5e1d6f6998449ac5455164e91103a8679be64bf38554cb6d0ca82e0e519dda4d9aac085d54afdc7997846a55af7bdf9667b6fff8242c7c1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}