{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xa380e2b9b23178bf78434f30e9b552e9ad2992669862d58a004e03123b601224",
    "signature": "0xc2644b9dddcf54d62ece77d66ece8951a30a26e00bc60953bf28257454cdbd5e75867162a229295394efbe5181ce5c7f09cde85e10cdc0da9119e01fcc3e30f31b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}