{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516394289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x461d2c5cd21ee79f9fe8cc9af93864ad4fe2ce6e13faf858e614027e9b6ca022",
    "signature": "0xebf95946639bf2f8d6efedc25e633c5e03da36a243c4f49d4d594264f5183d996b982fb75f653f2a59480f38d56eba2cf7b0be914c389f3cc74035fa42b412a91c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}