{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0xd447180ce85f0e40ce5087eeb260387de4bc7fc8e31e7176186796d1c3d84342",
    "signature": "0x0c5e952000f71c4202cd52667bc98e7073b8f82e70080674f66509a4c94e0ef21da35fde19fff1bb6b6d60f1291213296afeadfe5c0281289593f720d3a641c21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}