{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967215477",
    "entityType": "User",
    "nonce": "0xc339b848852d3312bc05ef4f69f28d01912e1ccccd20ff1ae01815b5e2a35134",
    "signature": "0x1db22c8782e6d6d284b8cf13d2a7680e9606bcb0270154f083743a053158767247b66555b8b503fade69bfbd49edc97e04134b18ba56f2af808e692e30349da51b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}