{
  "manageEntity": {
    "action": "Repost",
    "entityId": "576571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2c9000d42cf63fbb6028eb6a799a70c9533d3c839229c7280cb8d27dc46e3e8e",
    "signature": "0xc8da6ca745ee20bbe2137707d1baa769f02a069aeefbb76c661b0bb1b877cf0c62d2e65442bdb62be0cd26fc70658a65bc0252ba59612fc74a6a5d3b797fdfdd1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}