{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13141",
    "entityType": "User",
    "nonce": "0x1061a1ea8cdbbf583e8832a041ee402cba7fce3e3327efd23f5f2aeab9042194",
    "signature": "0xdbb95676cb4d78bf9951eb7098d17d62845196a38f138693967e76b85ba1ae4d35d39293b8b94264b8fae127c16ff82f57d77c22d35363499c8b04a0c245a4161c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}