{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409129",
    "entityType": "User",
    "nonce": "0x7a70e1c1e9d271fbc9aa7a0d52ae7c963ecea45846e3daf41e8ac9a0f20db400",
    "signature": "0x411ff775989235b318188870426bbf7a6c266e6e8f2a737d75114c04fb5e50b1179c187577740a58687ae9a3b90822770ddff8a7f718b2df6835d75a78d0cb581c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}