{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200140",
    "entityType": "User",
    "nonce": "0xd77df43ef0943ee84d5a56d120cdb21c874fbd78414365de07568f12d9c183f2",
    "signature": "0x21fbc7efc19c008c8bc436e22e700e6d242640faf0710feba7ea730a83a00cb951f9d403fe1568bf93cb46197cfca526921cd626716e073d9478cc07e63f55171c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}