{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121304412",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4f82deacb8c44354357304aab0e4a414b85b7adfa37e9b31aef510cfeeb5f3b",
    "signature": "0x5c22c90ee20126aad1639e10b26f3c8336f1300a61c947352d2c59cb9e3847f6378050bfa59229de6d7d3a8e21ad2a60e079562f211f0d9b45a539398ff59f661c",
    "signer": "0x947087BC1D20163ca37206017CA3896e803E296a",
    "userId": "931030763"
  }
}