{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0x4b808cb87740cb9afdedf6c8adfd0fe0ae195ab99bcd4cd537de78e3251b110e",
    "signature": "0xc8dd23d76fd5214bab37db93efdb3eb1ea223e71ca872362e0612cb86189fec25c8c3bf6624619a1e3e3fd7afae31af453d4c80a65504df2c85ebaa1526ad1311c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}