{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519878461",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac51dcd715493566d729a96e7f07edca0a2038ef628a6b1dafd3eced758134be",
    "signature": "0x76d925fb088289beed210764855f72eee4f82af331e1a5921a38197d4ebc418b1c4c25dc326f1577d667a3fdd672149f1d9a74b733f3cf377361010a00cb3d431c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}