{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x0e25359d7747d85266c9ee74899badb0a87adc19a06cc81b6b927e970d9ce739",
    "signature": "0x8af721bb6ceec41014c11330c334f221e4a49a4a1b816f8631ab3d2242d591e2349042bb74e9c6210746203bee86f1a340bfbed3eb159ef682e5e49dbbdb64eb1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}