Transaction not yet indexed

AM6mZbNptmEAPQpDy9kf6gw1q8cP9BU9KwtRQUAndAYVbTZLGcx9x2j1E992e8P8dYGjagMtuM3i5bxt2kEzaPF

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.