{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1603557727",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x645bfe044e22d6d00efd88c2479ddd3cbbb7a29484c8a2d588b525eec1784dc7",
    "signature": "0x026c1978ef160f6bbafaad11b8717bffa2da42dd765e1b83d9f17de72b910811094c9352c1171172cb75431cdb3d3cf038ff38b2b39e5cb736085500022fab291b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}