{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77766",
    "entityType": "User",
    "nonce": "0x064666751d6d7ca7cf735fc2c2cd56782dfa5c136026600ecad5e2c9fc6b4e48",
    "signature": "0x1af6af35e57e5ebf47bd641309071edee9a068a4597cfd55b7a538ba9c3393b84a6091db22463fcdba7e3c1499d1896b9789dcc7affead5e269486c13cfa207c1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}