{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73485",
    "entityType": "User",
    "nonce": "0xaafb1a74a289f3925ec148e9880b57dbcc1233adce1789b440a637d9476c7391",
    "signature": "0xa2a90f4dc3876894bd4f756e70d1bcafa5400357c6bef11305c68c18cb15aa1a082808f9a7bc9f6604b272c0422af3113234b665caf9fde84ce318c923419b1e1b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}