{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcb43b13208d5297b16ea8b73de3114033dca0ab56b4f8c71f887d3b3059e64a6",
    "signature": "0xe0513dd5a541fb9d317b9c57ee34e36fe3fb024dbbe1708c02ce737b9506840e79a2c063628f7f74c5d9154084d0e3c90946bbec1d64724079422071dd6e266d1c",
    "signer": "0xF5BDF921264BF0A4a796f9D79753dCA2c9d72334",
    "userId": "69944188"
  }
}