{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62804",
    "entityType": "User",
    "nonce": "0xe867df0bf35653d551b608cd052a1419323f082f660e7b55132df6089b5b7e4a",
    "signature": "0x7e9f1231e3d0f108db2768f04742e239a2d7a8b46ede98a2bfdf2d81292a62de60e26b514e137cac4f34c72dd3b13b7755a6945e8ddf9fbdb93a7809158c74421b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}