{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742998595",
    "entityType": "User",
    "nonce": "0xd069b82f6ce5785515dff474195d42b7513e9b68c3f1fe7b82331337dbae17f6",
    "signature": "0xbeff9a4983a4db0583dc3e8b636adc9d5b5c513a9bbd523366283386b0c105cb7e5f0045173ebbaf07eff12f6b8ea3aaa9d3da322a098a4cd470614cc0a05f211c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}