{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06af00015f51a986bf0a89dad26e9535110a95a05574362a3ab081c2bf72e3dd",
    "signature": "0x776ccfd902bb96115cd3112b18d980ae1b735446239bb3ebd956731e4d12dc2d6c415f807eb6bff951dfb53a2bcfc3d4f229f87c5aea481d3c1a38380548f6281b",
    "signer": "0x2A444Bb92dfE1aA33563161247b25Be9D2fD1A15",
    "userId": "276491226"
  }
}