{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499222203",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc34bc399162f75d0e656d74457f90caac944448f7acd1cc63341bbac23b661bc",
    "signature": "0xf31d5d1583d4d23d52a3f17a6e8406d3006d118c4f454b5d6750714d3fab610c0ad95b313c86e84b28d1504f8f87d90c94f3d1385c76cb39fc549a21f1c6908b1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}