{
  "manageEntity": {
    "action": "Repost",
    "entityId": "12743296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f05b1a8fc1d0fce0259ec68cd63ce7d4d2ea4098afac8c7b22aa5840c567c41",
    "signature": "0x185cedcc9c19c7c9c66b574b0ab539687ce0e6a0797ad1f264032c811444b28f337c83ead3592c95a83e24e77b1d9f4f562a44e32e18b2a38de4dba453c34df91c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}