{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924499982",
    "entityType": "User",
    "nonce": "0xe181f6c56aceac251483dd81f5592c46d72fc21db8f98831f529c7ec8e0d767d",
    "signature": "0xdc81722ade33d7e29a83cea76766073c7bf32ac7345259713a7d1699f8f3cdff5c5d05413adfe00483c94c31dd91e719a56fab7a8a0a35ef199ecebfd2f3b8541c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}