{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100393",
    "entityType": "User",
    "nonce": "0x2b62edccd4ad0e9ce2b7521475f3e5ffb74f20c9025df65ee720810a4bc9e7d0",
    "signature": "0xdfd53845db2473a03c31b281492679199a56c2bc21bcf290784ed45ad57f08c870ca47b4de976e858c39cbd92338c0654ce319183f063e6d749feac4e38dafd51b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}