{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153326",
    "entityType": "User",
    "nonce": "0xdd84d952f1c68f7c7003f3eb3c81d49feeb4731b630d1d2651482b3da3d8af37",
    "signature": "0x723ee999143e4c46db7294915bf1158c61bb1c00b03f76fea6d9296e9c4ecbf30c5063438046bb5dc7b81a948e09adbe7889feedc6e8d26661eb6ae19b15b6f11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}