{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "399987850",
    "entityType": "User",
    "nonce": "0xaf9acebd52162149a5dc1c5a04ea7cadf037be69e91fef2d7a94d26fc58f3739",
    "signature": "0x00facdb205a16b8ca2ca3585b90be1b598fc96ee21d15aa5300002167786e40a0e60aee91600d38698e5ccc9272b7ca5615c159d48ee389ab1e94020a8b21cc21c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}