{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66182",
    "entityType": "User",
    "nonce": "0x25bdbfe1b5ee2d8b720d77023619835e3e3af3e65ce923132575d560d528489f",
    "signature": "0x2ca1eb1f44af7825b039d9e15c3b686fd583d3f3e652a09c741aedaf4e424c4352bb795f8848c1104e9bb1e64333afecd8b737f3d2e757b5698664090a3175701c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}