Transaction not yet indexed

AmkLzGhZ4rhfwMS1kJFJafrQTZLmurpcVws6dXYrWXkWjP8Cm5WDtzGmoRBKDFyb1R2BcDQQ5PbYv32ihyFQkES

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