{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x03cde3e81870e785e5d94ded861cd15064c5706c97e7ba5232d9f4b0eb7114bd",
    "signature": "0x0fbd3dec37a7999fccabb4c76de499086ad632d7aa06f8689bc5d717a4105bd039d3253fa90d03c0652f5584d07c52917fdbd6f8d6212119014e1c67934c7f101b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}