{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564574652",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x156b3fa6ca2e9d2e84586c36587ed023616193cb7c6a39294f02292f5c6b0f35",
    "signature": "0x8a1d33ac8716c0cbbb8f732c9d72809a890c702c6ec2625913c7a5878e79f8be418cad9e734c86e2f381a77655854244fa9e5989b063b9a628964105fa591a141c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}