{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53957",
    "entityType": "User",
    "nonce": "0xb409beffa82ff808adb2edd0b4139fdc92dee4ef542c3082a39fcc93c7944f3b",
    "signature": "0x8f0a49ba8977e8a4e7c709dba35c2bbb1ec4bf1cef113c8091b3b7613e6fbd9530cc532ae14964df17debde05921f3bf8a87096190372df91de0d3b50abf81d71b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}