{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xae51900cbc53939151083099b5dcde1a17032f37ee8ecbb46df360fd2fbee2d8",
    "signature": "0x41d297b9183ac7b2ea21013d6405af0a8ac84aa65adc42f460ecf305e64e93181c692b08067beea5d461fd105fb7e3fe2d7a15279e5f434fcea862620990eb101b",
    "signer": "0xf6923D959F1Dfb3d18646BF5D1c0fCf0FbB883e4",
    "userId": "626738672"
  }
}