{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117408",
    "entityType": "User",
    "nonce": "0x6d107c99494c9bf790112d21ba5186ff0f9c36fdf8c937976cc5c655dd75b018",
    "signature": "0x4c2992a8712ab66da40c45e17a5c63dd1e23faebd0d5480819969a41d3ad8669119c37633102148731815c207b18608dc84e0caae19b01c0d6fe07deb820eb1b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}