{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449524519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa8f4eda0d970885f8685bf7581a7067bd06ecd37d955de7410f6fea3f64ba0cf",
    "signature": "0x348e75c990cda26efda43afcaf2a624a65b18a383afa15b1091241af828cfca115ce1c681ad7d087aa27e4184a86337f345d26c3a2be95e1d990c018bdbb57351b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}