{
  "manageEntity": {
    "action": "Repost",
    "entityId": "771293476",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x92a464f7329340a88f70d9e765bda3a6e7f0876c85ee3ace3c01acd992ceeab4",
    "signature": "0x390d8bd1f3616b966d27561ef83da4d76bb6944a2f6e35a979165a5626f24ca42f632daf692ef8e318e82aa272b0d079223d2a624b325465dbcd935f2d95e5641c",
    "signer": "0x4315A99762752232D096006DB2DFDA991f4eC407",
    "userId": "805725330"
  }
}