Transaction not yet indexed

1287YXZHumQos6WYtkKv7vFcxp3uCJZxJ7xsehvbp1A3zNt9ein4yxLPMXGpXb9HeJudp7BSazgns8xsB3XL6C6Y

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