{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87564",
    "entityType": "User",
    "nonce": "0x8cabef271bb4b3edf0629c703b5735fb2d95f93b818b048a278b44ea2ef565fa",
    "signature": "0xffad60eda22e8b57337424d90725c33739a80b22b5b257df5941810683600e4d2b8990462310b27b746ab4535c1a6c6fb0fa9757030056454eff05663a90d8df1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}