{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "390179",
    "entityType": "User",
    "nonce": "0x2cc5ca0d7ada7ce5d3d3746611b3d197e56c74b1a5958e7db7eaca0f2b4a6ada",
    "signature": "0x87c0de3bee21ce05c342bd881944b1125b2accca79845b0fc1b08b1bb25bf0d619af186607d975b92fed8e77186bc1167b4d40347fed5ab67222ba96c9b8c16d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}