{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101887422",
    "entityType": "User",
    "nonce": "0xd99def487fd3ec0e10cd10a8060e4a4885acd99a0794a3c2bdd21ac9f8e863ee",
    "signature": "0x635f5aed93eb4227ab864ccbb522e3da4ab627c34ddeb29e75a4169671cd4e6e1e2452a9b4b567e33ad15d1c212a2ed1dad77503b5d87c356fe7552555f013e31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}