{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228332",
    "entityType": "User",
    "nonce": "0xeb5846bca32c40dbd9367ddc173001e7d6a49c9073e4144a6b970d9e3353d7f7",
    "signature": "0x336c7122fff9d942d1144579089433e8628a11c1ebefd73124200bb9a1c2767c510a32b39bf2c4559fe3f7ec37e17a3b84618ba999c451afe37f9ed71a8c91951b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}