Transaction not yet indexed

53u2phXkBxHpr2EPniX8Y1qCbNVbQKN5WuEiwtVajAyYoQLEdvRKXAfDDMieFZjS52UJJs4j45eYLHLBSjhZhPy1

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