{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161497638",
    "entityType": "User",
    "nonce": "0xeee3ada0a00337ba64550e554081de93391b053a6f896fc90a31a3029bd7500e",
    "signature": "0x5f850dc1830cad5350c491dc29e7df8f1c4f1298909e62c3089323a09445767710cc9f10a566757bb7c1f3315eb75b194972ba86af8cfeff200d11fe7d69ce131c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}