{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449358757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4570864ef7131a3e7e4584d8f4078076c1ecd94aa675aafc06569a2e52e84ca6",
    "signature": "0x56cf4f0bcf43f842b38dfe42aeff584932c2ac8df7fe45dee0cfcf3eddaffd714b3285ae6511079c945965b041b5319f43251f74b2235dd9140a94a5cf0214271c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}