{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1021757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e51dba00a0fdd356ebafec8e15a1603377668e73361a15b32c059b896458fd7",
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    "signer": "0x99184440Ee6a129090E49a1c231270aBC49a9427",
    "userId": "21285244"
  }
}