{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515738543",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x531c6f4f8d35f08b1caad88d6415c8d3ccb6a7f74e489c98be24f2256fbea133",
    "signature": "0xb3f261e7244a41ae612731f4b9e741f9d2b7b9731d5f9ac2a3495b0bf7d5a4ae764fdd54aa4a9627d65e6f169e1f3a0296e6be6e22c66d494ef3364baa67f1fb1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}