{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1390290205",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x557df8dc12d73a1df9377b7cb237802ffa00662b557e9acb53069c0a2cb786da",
    "signature": "0xebb2bb5423c8491e43cd8534a54d1b5f0b69b52af353fb354e63a90d29aeaa7e54076082ad0522afc1fe41a0b5154fc0a73f21c51d54d7710ae22b1f0533b9891c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}