{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56576",
    "entityType": "User",
    "nonce": "0x5521e8fde755ad62a37684afc7f800d4268b00914e9c280baf140a52c2e025af",
    "signature": "0xbb12c01041ddddfe3ab3444da37ef33c85c7a192792e3bc3069c9b15921555652da6d83dad93591fa52ee17d1882c6e3b917bca43807add9dabca6f3f1a56b3e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}