{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xb9adfc335f854c8f654020b8eea2e7eff9df00d5642fd95fe5e5586ed07b89dc",
    "signature": "0x5b76b517eef1a14a8f826bbbd5151741b272df06d43d4270b30a2f42c4146a2030a0a8a3f0990f193d15ff37ca8b63253b04d6ed8d5f1b8567ba775fce93c5081b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}