{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979988194",
    "entityType": "User",
    "nonce": "0x4ec19a4fdb9eff479229598fc389113bc9b4612abffc54b4e84d52870ab35017",
    "signature": "0xd7294884685f1807f56b50b06424b2912fbeed517260f0ee646fec6e048bd7ee2778190cbfae763e6ad06a9e6bc9a646c459831ee641df2a8bf3dae5c7ff3d101c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}