{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfd229ce4e00c63943b19e06b22459fca82367a20b726adbd6209667cd835c2bf",
    "signature": "0xbadc9bc3fbd5b11562d2cfa38581e0e910259f0c164362420932b1ad109bfc2e5968796a49e7b6236ebf5a88584e8f5097e4c1398e334d1ec6957a38bd7d24e31c",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}