{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224862",
    "entityType": "User",
    "nonce": "0x3400b0909ca960431dedfca75b56644214f1ef1135e023972e7f39f682364054",
    "signature": "0xb1d4fd7911983250c69a90750a61c4e8742c3c9b9de1235b7c7ada9863bf6c1e1a55e4048f77d1615df43761aafa0eb1f08189e700d1c21036780e557f30b6001b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}