{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349909",
    "entityType": "User",
    "nonce": "0xe1ce034df57afc9b6213363f84dff9dec4bfed37935b2d9d1a5a6b0ec9d998d6",
    "signature": "0x60963315cfdf5a1e5a47656bd8d4a6ba0f61298833fbda3270b673bae56ee5d138e77deb2709528db5f2eed2b5969ae2eb920703b0809f41ab7ce567b977da741b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}