{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205894",
    "entityType": "User",
    "nonce": "0x16cdcfe679bd044f85bc5e2859f56ca72e09a9b781216009c72a5466887625ef",
    "signature": "0x3b18a6a73cb7ec270f945e740eb95e899240850a598f91f510e58b76c45d613c1bf774fbed7433286e6d1a1dbc1182e417e077b7bc5c6fba66c83633afb187161c",
    "signer": "0xE3CdfAFd2999c1C06c139E932b0515a9F0B07382",
    "userId": "29797210"
  }
}