{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101771",
    "entityType": "User",
    "nonce": "0xf919082d5b5338edd1ae546877d0425c9aa3b868466f2f4af608830731ddc4fe",
    "signature": "0x0c1538c35adfdfb46eabc1a441adb884a5f0f055d2f0a724d20eee84e5ff86025023ffd9d7fa013c22bedc53f1d3751247b13cef17a9c8c274618c66793c2b001c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}