{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49960",
    "entityType": "User",
    "nonce": "0x85d7686b7f1de98d05d0aab42aef026143ad2da5c486907ab8690d41f41e9776",
    "signature": "0x4c51d8dba528bc30be0eee9c1c783cac8d6680bfbf87bde3dce25cf1267ebae85ebb47030da87ddb9ea1391925d0e4f88b8e8c2168751b1ec55a360dd07333f11b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}