{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0x6bb03223fed521f72c0a22685a2f562fe11601723ba4718544bcb0555a2f017f",
    "signature": "0xe19727a95f17b18bdc3d59a4110db62d329d8fe55f781c35181fd914ef62a2787f38541ae620c8a7ef40b776ec42247a8d6da01ea649ffbcc4a75879e6a6a97f1b",
    "signer": "0x6965Aa9ec89F0ab44c5241159D2188d7b83c1D25",
    "userId": "278763919"
  }
}