{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1521370655",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x271f8bf7cf4123ffba21b13fa1e21b3c389eba639da2630d20f073857ca60daa",
    "signature": "0xbdc2718ccbeebcd7029eadba0c99e60bd9a943c5ee3cf0c778fe4f6efab59bb776037ecc525768a7b0e61cc25dc9fed670c876e00348d64e6f3ffa7faf548dfc1b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}