{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1516889886",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd272cb9fffbd9aeb36adab207d6b114c20651cf8c81a2a3b4c47d5d440af7eb1",
    "signature": "0xadf24070d36db4874d27079a7c611add1cdb5cf9a0bf8143f44d456af04a699f544b68147b2657982696c028da28402e3afb2040b94c8056fd2c1a7760e014e61c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}