{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980916",
    "entityType": "User",
    "nonce": "0x7ec9e1e1251ee92fbf27daeb55f7a78f8f9140d360e64a4ca1752cefff962c32",
    "signature": "0xb50ebc3ce07d59aa47241ebbe55e8ebefed9e8a082a467a45e9bacc5d766342c3907d1e05a6c87a25e25e4753456d46ddd9272cebc24a80bc8c6ff08468d7ab71b",
    "signer": "0x8634164AAAb91c9168AC0B97cb004b5a43256245",
    "userId": "136500457"
  }
}