{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x21a67b4a33d8870d05e3376657d2258e8278f8216de2aacddda75f64b58260c7",
    "signature": "0xb53b43f0f47c200b997d032b8546081ae2f4e811408b11d1daaa851ffcb3a021287e1c5b97dbeb4cb9f6e42fa4f87e323908e184ab5c0560a155eab9285ffdb11b",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}