{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457503497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5668e1ab61f5627ec9f9f9533f362bb5c6559dee5cad88a9efc63c9f5214f94a",
    "signature": "0xe967f567b51cf672b4fa2e725e9b8e2eb4bcfb8841f708a219fb86e41cf9168d6c3d1febcfdebe98860911e30ad522795475f66009077072f0e20a376d3b302a1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}