{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xbfae565b6d2774f128e2f16f95b3c5271ded18390db8e789cbd3719f0fa3d6c9",
    "signature": "0xbbec521cc7ddc9f0ce78358dd8104c1f8dda375a657772b4a9413c85338c857132d481c50a9a80086a07a41e8d66bed128fc663d4eaa9357e25414bd6d5e817f1c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}