{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900331319",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0dd3a0e261328f9ecc0fb00f30813177dd7f2d6501fb44afb53390258c8ae3ae",
    "signature": "0x34a693616eec2a7de35b986a9b22daa6ca38da5508b7bd3b49103d76c22588a56613deb891e315dcadeda291ef63c7266dcebc03be7d16a3496cc140ed8284581c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}