{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x69955450d36528fcc6ad429b0d176b60cb1e3392c4638707370e3b49aab5397d",
    "signature": "0x216b339b0d2aa71360b56932bd14e0cbf1b845c22abdce8d6530591f9c6b31644db4b4f808d103a324d6ed39ec14952d3f0356d656349a6adf85910facfe3f631c",
    "signer": "0x626359bAfB452D2A45cB55a9B7a45eAE15eBBe82",
    "userId": "202437823"
  }
}