{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57768",
    "entityType": "User",
    "nonce": "0x1fae06bea6250f5181b18f661c19c6a6eadd6cbb88ce441e8c742ce8b0d5afe5",
    "signature": "0x268f851e9891bbe2eacc8b39bfa1e86132b8d487b6184f9f8d5ae5d1afe914a436b921666c1b6428e351b3dba2d2b2dd0c3f5e2cbc740d4fc8894fd7b03da32e1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}