{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xb6ef673f57556c7174c5b9751d265be787989fad747f27bdf5ed3d8aaa26a561",
    "signature": "0x6d356f52543ebaed815b78379b7ba5f89e3341cec1551c8d51c75a7646779cbf52d30b273c468c57496ca79e05f7e2eeccc8aed396b0e454ef444aa7469479df1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}