{
  "manageEntity": {
    "action": "Repost",
    "entityId": "287504071",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x392b870c24666d7a02a01008e89d3cf37d81837d553b9ebb0a5d7fbf69662828",
    "signature": "0x9b6aa25c5910b23f65ab2e8d71f46a4112d9bf203c49bff391cb8dc99d51352512645cf0de2c8170af2dbc01b10aa563b77b788ee63ac2f5560427c1d2311ada1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}