{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450190671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc624a1801265086f63f3eb381db784d8fb6db0c19d7182196a14da25f9863de7",
    "signature": "0x7fc50fb1515ce13ba2ce11813c8ff71f4ad301bf387220c35a3e4e05310c541e5363aef01d293cdd605df2e9fde7fe739483c5b69787111cf3d75aca1b71c38d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}