{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x00d76ac536b980517b59776ee4887281f5da1da507f67cbb827323b6b23f9ce1",
    "signature": "0x8b26fcbc5ac7cabe919d3b56d0cca0eedf696bbeddd6ce90873a25ddd4ca9e6e20ead60bd9c3c1f1d3c4e4b5ae787f3cc52e25e1468c623af4a3d27c229de0be1c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}