{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe1173ea786773fd740efa19d442c133efffceef5ca527eb22507862befa64ea",
    "signature": "0xbaa0e6bd52498cada76bf8568e83bdfb04615195ac371b2910baa4e6cf6cdce479ca0be71d7b0cd4b456f1811e7b1a8caa128386119ec19e5eecc1465a9ace821c",
    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}