{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc79c8995227a82002d89d806c0bcd47c57efe488f916d59a27aa0cac28f27bce",
    "signature": "0x60d5f86f17baffe4db2c9652d9fe01fb0a8af33236e31bf3d6c38c0d558b3e8d3e54f427fa851ca289c20f44ecae76a1ad471e2a3ad8ab4253d2c7d5e6f96fe41c",
    "signer": "0xbCEE641b64ac07Edd722e83b9BaA997f250a68ED",
    "userId": "76772154"
  }
}