{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92019297",
    "entityType": "User",
    "nonce": "0x9c7e8f16eccff1633aa0d2b35f8eec134f5770b077eb82a4885249d6ba96cfa4",
    "signature": "0x53ff4d3f79aa7f07653aa0eb6fda7258f3329421fbdcbb31a47960620e42fdca2b130c81b4002adda933fa45b7b64b2dfab835eb4233cc03eb74485661faa82c1c",
    "signer": "0x4D7d71b11CDc5134427DEe9E150Ae1eA8a881a20",
    "userId": "523512173"
  }
}