{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xaf3a413a574c06689c25881e986509ec7f676581eaa1f8282c029240850317b5",
    "signature": "0x472a896df35772651114281139909fb3dcb07720a42a17264212dcd7dab9d5d53bb02a6c1df061928602448e044d38fdda165dd1f90712ea9b392f3656b3f53c1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}