{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1fdac225c9feb9619ba8d47753620bd82c3c1e36a25f843bc85f27f670d73349",
    "signature": "0xa768d63711bafcd4d5807a16dc72f53561cce508d37169b145a0b1f029f190d14f3b57dd4f44c8e9d58cea82b8b83794447898edfdd3df65bb1574effa8802d51b",
    "signer": "0x7348C6Cb9D0fe9185bb9235A92e6942dFA47e202",
    "userId": "179539086"
  }
}