{
  "manageEntity": {
    "action": "Repost",
    "entityId": "548719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x645a9356cffba5e102cfda57c3ef2c460d79f61113d423f4879a4e6c3cc0a91a",
    "signature": "0x36e65be04facce879f563e3aac7127e8adfd96d5efc8c16bab17a196a582d4f26ea1032a5836e57bcf7336368b710f7d0923aec0ced3c821e67c0dc7b6e17a601c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}