{
  "manageEntity": {
    "action": "Repost",
    "entityId": "755126",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb590f4373aafd26ffe7a4e15beea1f61524191ebc8213b94e78244b50fad7408",
    "signature": "0xf2f3eeda8eab6c88480ccd1aff8bba086a7c60229bff5537e6cdb2ce4d324d983d16bc50633ecc08981549a4d3f2a2b8e8e5c7cb88d48ec819f72b56aeb34a0c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}