{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7406",
    "entityType": "User",
    "nonce": "0xa3fa78ba08c7f2130a041e511302f3d892415fd08f888c86e9a65f68b06fd5fd",
    "signature": "0x161e3454f7336f7653c05f852eb53731d03a1079ea534684439a3c4aba1f96dd56362730e6e0addb84f449ec06917d236981fcff9468f53c2d9e19db609d5d261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}