{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515515586",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x41fa3f9307707106bb0822792aedcb3971838e4022b175e37a1a09cd739cf56a",
    "signature": "0x2d966c8a34c6be368fd5f48ed441de20b41acaa3d17c160ab0d5e0fb19afe6f46974528c203299d986af70fff776b9899c6df0f634c2d84efe4d244cbe42cd1c1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}