{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842898129",
    "entityType": "User",
    "nonce": "0xf5dbfb28d69747ae10a533cd69c9602b057b4a3863f9d6476a38355d0b9733df",
    "signature": "0x170006336e6eb568593a5f4120dfc91a6a2c27f76fd72a2848d7e449414ef4303a0d8558bbafb5fda50c560ce5e80d8b5de204ffc5f2a9b01295e3a0e79937241c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}