{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308788",
    "entityType": "User",
    "nonce": "0xfaa247944a8782379613e6b1107250523583953e7a2f2ff169d3f2fce966eac7",
    "signature": "0x2fda094785c57a0dc7b707f8bca83370973f8b7c5dfe8b27133094860cdff1c72962ae7c29366da1bc4f3c77a4252e86810a1d2f518bff2d5c1317e049a5e62f1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}