{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34341",
    "entityType": "User",
    "nonce": "0x0ed18348b87595c8d64ff440db869c20288f45c9f6d77aff845df5f2748f4482",
    "signature": "0x42e12c3f08202ff95710db780d98b90d6cfa4cdda809a7cf8287f9006b75f2c44abac25c8722dbb24fde93afdfc8890ccea1789e37b754d86c8fe0cd8fdab6201c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}