{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10944",
    "entityType": "User",
    "nonce": "0x60c8d11651eb323098097cc145daf54db7d8539811486125cd50374553577d79",
    "signature": "0x28a66b579a20c69851235abed57e9db62db7fb405719a990c636b2636c13591466d5f58bc20530715a9387a22e300dc6c0afa131954e77a8220d2ed910d7f7281c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}