{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xb8f6e9705fa3f4422492f5fa905581ff577fa37aa2ec5e49c46b08d06026a164",
    "signature": "0x30307464e721f811a6a5f7f79e749fd156e3fe8657b66ff96202a4a3e154fcdc08e463850bc68fa41f0cd40786785c01cdab1b66facb57a64acb78cb6ca0ce481c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}