{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x30dc2564f4c13371dfabc40524dc2c906e0dee6ff65278623168ba7dc66cf9e2",
    "signature": "0x7ca2ca25f8d4a245f5a991b77705b7504ac5d363874a16e2db616e023faab3f20eb8095086409f0530ad9ba77afb1811e9591db1fbb58b1f82c779d8b20f6cfe1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}