{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265721941",
    "entityType": "User",
    "nonce": "0xb0c4e5847a6414db41b0ea2b4eab20fb3b0420f0f4f3d9dc855b1c68489e5ed9",
    "signature": "0xe5902d225f1ec684067d12bbb8b14ae2e37c9ed53a608bc0288ad2d589e2a43066bea1018d05ea57f8d9bce94d48dd66ff1cdc0667116aff44692e42869eeade1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}