{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29080",
    "entityType": "User",
    "nonce": "0x4d4bf784165e20089c47f2b1ac9ab5d53fb7b378f929f41441af227852c86c34",
    "signature": "0xc019c00083a202064ba3e30efbce7e73aa2500d9784f107c76d310bd52b88aee713fe2b5b3c72c36f33b55d60a154fdb8ae24607d5a6f42ec08c37b787e736821c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}