{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593392725",
    "entityType": "User",
    "nonce": "0xa47ed95fdeb5d02781abe0b375dd8b2e1afcc2098f3d609a1f1ec07e9ec5a156",
    "signature": "0xccccab3e3f7b84e6a21661f32fd67758f770db335489922a25de8dc62166d3fa5af29688b479b69fa67e8d7d28d0c1303c9a04354c35f7f6d8da5379e9da35711c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}