{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748863960",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c059ffd79c536b30e2fae40b8692876a9d0897f1d60ec244fd2d0042ef02226",
    "signature": "0x89dc4edce8783c790dba67cdb6938f88585cbf7cce135e060d804268b1a1d03918972867d8fd7413ebf7bca4f20ae8c24a8a36fdb49def5930f3b4b90f40dc181b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}