{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127842480",
    "entityType": "User",
    "nonce": "0x23ad77c63119df2cf78933a8ef73a89066790d5419c9d8a5168667e5f60b161c",
    "signature": "0x5d2eedc9763ea20c341fd1695ebbeeb4ef2314eedb42b80e261150d6f48cb56c074192e562b2d7aa8156af5d599b2cd95f4afe8dcbc3159db154b1721b7e750b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}