{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61055",
    "entityType": "User",
    "nonce": "0xf8e638e1207aeaab00ad8e720aeae4dfcbb680a94ba869d616b6f7e0818f3688",
    "signature": "0x01f9c74cae8f38dd7dcc1e238c49dce60552598fae755bf636de1e27c95941f34f265b934919f1015b007ef58088dd100e3823d3ba4deee39604d28cce633c5d1c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}