{
  "manageEntity": {
    "action": "Repost",
    "entityId": "656764",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c38133c461099a5de6c47db10408a2ba06416d9eb4c4f4875fce0629662a197",
    "signature": "0x107d50568eb297f127a51f4220f9dce29f0306a0830d9f6a5e2467d3553ff7783b2046356cf2c56373480ce9733e0403a56e15becd5f3a7dbd912b37131505ef1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}