{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1553045087",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9d0c2f83714bbbf829298a6b5456340a3714e55ef54f11a43f91115b3ad0e32",
    "signature": "0x387e4d997a9f97567dfb54687767f50a70ca58485cf240979f9d31aa9ca8374f06e42692bf7662a7c46e35bd577ec20fc4f24fcf21f3fe37777975ee4ec9d7ff1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}