{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33459451",
    "entityType": "User",
    "nonce": "0x7045aff5d2bd0c14a4eb2d673e1ba6f7225752dfad988cffdcc494850f755532",
    "signature": "0x57d3777b39a552e9bee8c702939be78d0d6e64ab40cfbfe38b18832ca60e81294334546e8f340aec8a3d1425af8c36914d097c2362ff23621e32f907401dffe91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}