{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x4e270287cbb29730c2262e1db67a4546279139d29af995cef59a35b399bdcb14",
    "signature": "0x6dbc4151e560b2f552715badfdac6809e9558813793523ff2e5d13e38bedac995889247c3803557141aed3b816acd92f8a3993ada4c0592dce0a5494380aff8a1b",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}