{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x9080b75356453dfa2de4ab62c34ad34d17d4b05c02c946177c0bb76a1ffdfd78",
    "signature": "0x8370b60e70555c0fc51465c3d7ff2a38534e39abe58a8690a7485fe7d44ee992585622057a43613d7b2e0a895f5f9ec8e1d43a400198ef6a9924568369dc4e7e1b",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}