{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450627321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6031b59d454ec70c9e6dbc2e3e20175e9d9ace349c40b237a387e1f1840b7cbe",
    "signature": "0x4781cfee81f74fe2b6ba7b6043850c74cad77bdb7ee74d3dbdde4bb987003f5647304a3dc64bdf95857e76f54f2a6bc1b5cdb72261c9e30f6b313cc919e2933a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}