{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1251788838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfe12459fd5de835b471a389455cc283e1fbd2ce50442e4728e17ccbd17bd0b73",
    "signature": "0x7551b435d29b070f681db23fc6706b084ce1f8a649ea4f01f3813b635513cd414c089319edef6d5b00bf2eb3f2183e9cc3290dcbc7a33d0b98020f9123677f341b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}