{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x888ae62e984b18711b4536013bec156798622f72e5039f2babad289e5e6b285e",
    "signature": "0xbd3105e1eb94364e68a468dd7ecc1df47c233e06affcbdb02472cc71a6fe5d3d6096885e109d78530291e7605de87f8917b02014272a0831bc2a0d2ff81f199b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}