{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xf3943d7c6864a7defeba7681ffb6650d0e8d0f53cea07c1982e402950e127a03",
    "signature": "0x8a45ac2361d0e37239764c51434bdf72884c4c279f82c27e8c3daa72f6eec5251da10751e8e1f17d5edbe9006925ff8b4b9ee65860acd9cae1d025e16856981c1c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}