{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528620656",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19e020c1cb9074dfec921fcdf161d9092f6ee3d9894f4009884f4c17924ca446",
    "signature": "0xf7c73e3c8dcfd8b460812e764476d3bd85567e6bc7c97dfab0d6381a7e961fd86fd5315ef80c1d055ee25e6ec57f69c7b6edb067dd0fc8829edc85b8b1554cfd1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}