{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358346",
    "entityType": "User",
    "nonce": "0x76ed2fc7e8ba7acee094c2ef73f18b892527b1e49d67626613a6b02c96baca3d",
    "signature": "0x6410ab726fcc7d562faa561dc97b5c9809fe54bc89e9483d8e7fb9e73ce9d90e0c2f541d58078eb041a9a75c4d644841e1cb4b4fa4c149067747925027a3113c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}