{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44741",
    "entityType": "User",
    "nonce": "0x7de3291480a3013542b927440a22a749bfd7cb00226275f85b4595563fa37773",
    "signature": "0x48584d7369d4bd0798e84d6bdb848274a9fef41283bea0ab972f7d5ae71389b614d3bcff797a8c8558301cf2e3a78bb5c40610fd37eb3756f9bfcbcc0cc52fa01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}