{
  "manageEntity": {
    "action": "Repost",
    "entityId": "670121",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x17f756e403704dd547159ca5e9086e07854bc630ed73e6bb87cb038c2a99eb1c",
    "signature": "0x3582d03b60e1912ff789114d069eff35a63f50110a48c64c3fe5d7c3aa99d4d813e4dadc75cd17bcc44331e538a850cc87bc5b865113bf2c5ae6c7e24a38f2ea1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}