{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117930509",
    "entityType": "User",
    "nonce": "0x8608f0b16d3d04a87a04aeba135ee13565bceb012a824692426f95b26b2cb8c6",
    "signature": "0x58305ff5f03cecf1b8d63778d346c0a3860c4e2e436b41fa4f16f9532de6986318f19bf3290c3f07f2538e0200f4c2d44a605102ecaa462e0e0d233eca3cc98e1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}