{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd6700fced6d7429d0273d0e9b8f6e33ebf333584d670dca23cc88baab94683fa",
    "signature": "0x21f89a0d8f831ca6df1a5b3a2ed41528c275b6c508aa6e206da348280eb3c857178f708d513a7c060695151b334bb93643ec4632c3067eb98f39eb19a6627b381b",
    "signer": "0xab97052A857D6227f6165BAc2708432a46C287fB",
    "userId": "159597058"
  }
}