{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878437933",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf876593e2d82a66c62687d2efaf289595ebdbd3fbe68e7fb8b40da476693b6dc",
    "signature": "0x3b55a1a04cef9fa4644ce3af54a2c9097e5ca795442b3331003fa0ac2869227d3c8ac092daa1afa4d0d99b8d9310095b56f05ea077fa3bcac560ba7bde7beb361c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}