{
  "manageEntity": {
    "action": "Repost",
    "entityId": "851440284",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3c41852f6f05b0d1c06332d705157a8bf84f36393372b3b7ee2a8cf464b7abd",
    "signature": "0x8be0aeb48b8421b40bf09dfe72a78d528bc6e50c2731a987197d126eea45e85a2af235d381d3f3549ffe1ee74cd449060864c4f4b8832f1bfd27b31a27035b5a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}