{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70844",
    "entityType": "User",
    "nonce": "0x65b66fc47164d55876b3822631a9fdbfb68aa5c0a8f7f6acb425a1b32244c1fb",
    "signature": "0x337c8c1dba17c5e5fedcd6e11edbfd283fac687160817bb8e57bed09e7d5f9fd1b51b740d2c4024b058b8ea69e8e0e859fe4875780ce5019a1ddf80f52c13fd91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}