{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230760",
    "entityType": "User",
    "nonce": "0xfcf2a57300f61c7076661eabf2d3ec744b4e3d50ed7f318cf102f089121e176a",
    "signature": "0x88e5e12ccbd968ccff271b03011cc6229117ac7298dc89985c90508fd7b0b1552169e8bad37c1de83b3c892a19dcbc34bd576a1181ec5cf04fcebf47887e7f241c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}