{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114709",
    "entityType": "User",
    "nonce": "0x5cbec1b32a5c452bd004066f4aa2688ae8b867349650129f334c0e8ed4aa3522",
    "signature": "0xcb9fbffb65f14caba9de5aa524220bc2808e3aff0ca6b6a61e42263a20b4c4d6152dae594731ba8d77cbf3813e3355083bc351831927349b7cfe92b5fff80d801c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}