{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122966706",
    "entityType": "User",
    "nonce": "0xe909cdd95ae5246c2a4a4971eced21e445500d713158ebc5ede8527a6c313090",
    "signature": "0x9431a42d4f2ccc7acba6a180a0a08d559c6ae7241a8038866b9d379fcbe325b21a759fd9bc9e433cd3b3898dcae6327b2728a057fdcabc38fe2ac02976d223c91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}