{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "198082",
    "entityType": "User",
    "nonce": "0x111faf06059ff4adc2a166f0de5de78121970e366ffdb4d327df1b6b2ea2138c",
    "signature": "0x010dd0b6e800cfe2c85b9b31ddf17cc2433d8c4afaf6d03b93e5e5d9ea2ddd62066b5675de46a7eff1c6eecb79733bf65d5646811e6c14ea074acf0a8bc3e3d51c",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}