{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xaf69a0636eebb0f8c4cecabb2ff4996921f161d615a5698c0c41e1280589655f",
    "signature": "0x5a36c88465fc8e3f68b175bde5604c19835679c59e22bd9e6e7ebd3f0cbd194b22fe44980b889c33952f498412baf13d59c1651f12441af30cb5226517cbd2621c",
    "signer": "0x3BA6454eB2EcCD2f8c7A6f46C198fB0C13D60658",
    "userId": "872763461"
  }
}