{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0652f354b1b99990bc5420c7f325e82ee9726745c9bf712f905a2f2ed7685416",
    "signature": "0x4b6c7730c7ecc8db3cce710231581a575c534bb58b1502ea1bd4df8174aad275611e04b363a006a4b991c58ccd375e60afb8fea122beb71e07aeab17eace4d1c1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}