{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0xe9d1c5dcaf66e7e5587a637eb696e3d7406fd8dcd94289ad3c671630117db7fa",
    "signature": "0x47551d14f0bdd81941e948227544e068eaa2282aa722ee602b3df290bbfc550609fb8adc66a8688a8d0c3c4ba1c166920c7f9cec949e382c4943184ce3d9de9f1c",
    "signer": "0x60824E42B28a3C9D7A9eB6A6feFC1cfB7B41F7C2",
    "userId": "914462657"
  }
}