{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360778",
    "entityType": "User",
    "nonce": "0xd8785a719558db9e013d60b0c0a3c49508722e221cca9dfb89aee7423592cf6d",
    "signature": "0x827590fe3a5ed4e831d06c872a42de9c33f498084d0665055edf8a6c7661e5463fff0d2b0c8bddee63d9bb0beab320652f6457ef48ee47155a35a70d6e9129d31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}