{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232868",
    "entityType": "User",
    "nonce": "0x87c9b215d12fec2a15c1a3f55a443fa05f4e0a7891351cb0a54dbcb858168d1e",
    "signature": "0x3088eae01985d1345114a9fed71d1d3e358fbf6ca64e9489ea01c98f4e80292d1029ac9a48ad4683a89f5234ef441f6adeda1287a92a156a56acef397847d5f41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}