{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1365072",
    "entityType": "User",
    "nonce": "0xb5a76a7ea30b7348acc5c075f419493f29b0877833b5720e93c9ed0ddeb59600",
    "signature": "0x497021a044e678471d530dc287c677d00d916ad46a3bf731ecebac28dc737a296a884e7637d93381d60bee7246e2d9a8b007e9d137e63d48ba491c285e30c14f1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}