{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "655291147",
    "entityType": "User",
    "nonce": "0x27893832aba73c714b574aef79fc596b44a483c77b46593e703fff0213e05a01",
    "signature": "0x88d8c143e057e2dd8adbc45933dbe3b30b9d8cc6787f7427cc6cbef7f50ec8df5763c362fbdc4188b092d2d0f6221e72dc621cc8fbd92e7fe0ae357e4ffee8201b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}