{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428226867",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x437c28fcb80b7f65c691b033db488ee0b2c30a31e0a95277fb37e826ce829c1a",
    "signature": "0x7da39b3e3bba5099eb625e7f616a962e05fe71da4515014956848271fb8c6fd96bf0484eac554d40788a73d03f9f137cfd9d81d2713e56ecb1bd97cf5d35c2b41c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}