{
  "manageEntity": {
    "action": "Repost",
    "entityId": "591213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x012b6c16bc2c551ddfa09ac0ab8c6ec2975014737c3b55c68f7ff1b1f6dd2ced",
    "signature": "0xfa3b56406c61f676c03d68d5c8f3adda72ba88830f009f3475b51b8344619e3e4df255a1a54b974a8a54d71c610895bf0b9439b4f0a39a1fbfd21d9f3029ebf11c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}