{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1460",
    "entityType": "User",
    "nonce": "0xdb6a79afcec37a71d0fb2e0386781420560200315508e57d3240b78caeb9fe81",
    "signature": "0x80482816f0d05c1f0d2476f4b58aa7d8de8d372cc974f2819b041a05fcb7e7d140f49514f11c35b28a6dc97fd734c611eae3f87120b4472eb63bfc0883412f0d1b",
    "signer": "0xb3FF4AF082FA2dD35BB0bb40ca0faa5f19dcb54d",
    "userId": "876823522"
  }
}