{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xdde502f161438e0713c14ab6ba5cfdef5152ef4a83900521a6b59e0029c9a22c",
    "signature": "0xfcbebf61036e6c6cccf865e04a35cc3f94833db913e095b15a79fa756f89d3b83232116656375a90a025fe3d3c9fe406042e2959295de58edd8bbcbc3c6a67781c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}