{
  "manageEntity": {
    "action": "Repost",
    "entityId": "548963",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x17d37ba0cafe8c0fc04346a7d7e2fc2fcb6f1ab5b3485ab59881855395f06f16",
    "signature": "0x29f39a1208336ab334eb945b0a0cd9b3d4d7990cb2795108798e9a8097126b4c34c27e864c0b8e1c93686d649419b0c08ce398f05ef216ecaf4d4b688cc8a2a61c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}