{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900768940",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b13deb1a3c1924411be91c0047a27d4409ade9e8d2c36a1ccf79d4a6ea9742f",
    "signature": "0x8a6bc9f47e81750726f0d779f31d77f73f2278aed8fb66ca26525eb8d38f94390a42428de209bec5d69c03e3697633027d34f2d33db5d5016ac392c6dab297971b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}