{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010088",
    "entityType": "User",
    "nonce": "0x47f7ab2d318c62ea8375d66e76a08edcb8ea62fa237016ebc0b621e51a48040b",
    "signature": "0x2b89e1ff8c8e9df78eabd399157b60659ba795936d48f70e939da60ff516ee302e659cef0f1f22c13f7e16f81540aa6ead709f7f52597dcc446dac59659468a81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}