{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78254",
    "entityType": "User",
    "nonce": "0x20f3c396e0d3323308f24b81f0cd9180126e3221bc701fd38c1d459935e882a5",
    "signature": "0xd17636129f137a9a428f80b4646ab2a5526250160125cdd9af972901f934812874635294a90881f1a93d4532abdea8bc82460e58c4d85fef4f481ab7bac8657e1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}