{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86774",
    "entityType": "User",
    "nonce": "0xd4b3a1d9c7674cc9a4acddddce5693b7ddd09af09655809bed1effe70f16ede6",
    "signature": "0x5d1fb5721e7e80f3ca810355acd0ee57b2e8851efbeca8539c22bb38640c14db38bb8032ce54ab4da878c9d393abbd775431e84fbeb7f7b4a73993a56a5234641c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}