{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ca6bb0b093fe6b607f3abb5e3cae061fd40736416bd068aa99bc3c2e7a17c5d",
    "signature": "0x19605d8b8d0c11f8f6844d8f74e427d595bee074ba9ab9436ab64e8bf56d7a9b50d2ccad013deb9f0be0f109a46ca7f3207f9c2bec54cc70d6e1e225414893ef1b",
    "signer": "0x64B0DA55A684D51d3EF114Fe644eac7db132fDb7",
    "userId": "121304325"
  }
}