{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179264467",
    "entityType": "User",
    "nonce": "0x6d748b6d3239d05ce25b474db46a2b260198ffd1cc0c9a244b5ea58e77b2522d",
    "signature": "0x0f788bbe0ced1c2b2a0dcf4d52e0fac24a024fd86ba90896625b1f0e7856bfb9625f99b3e0593a007975cedc3e14b78023d50e3b77bbe4c2ab2b7874cf2e60d91b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}