{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105596",
    "entityType": "User",
    "nonce": "0x5a5a1d0ee4d4b6d1138818e7c2385dbe50e2d44f567484716fe304e488d7ae40",
    "signature": "0x0b6ead8fd8d9d53a95a6aa43b404b7f90cbddd329a50f962786310a7e59ca56577479cd815ac7212027e58fdf65e16999ce72a4f490a8b9b03d0dc2896c844531c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}