{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xad285902a06beabb965bf947c0fa0ef1915f32cebecfada7f7621d780585bf3f",
    "signature": "0x5c0180f2681fb261c98d9863b52be1f0a9894620195d0d4732dc0e73453d1d4b3e85473b560737382a7c064102f51acae3d92684ef3ca43c647235eefaf634a91c",
    "signer": "0xAE283d08858D5c88B221DBCD7a091BC1Cd418D8B",
    "userId": "982175968"
  }
}