{
  "manageEntity": {
    "action": "Repost",
    "entityId": "537458962",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x52a5778f21388902c5b508b050dedd4798ce55d5c255fc87af2c5a9e3adcb072",
    "signature": "0x44a5e42d7ae01d55aba5f5c28c9542caa4f0f1ef1c92f548bf1bbed2623153b8054b3e6a0efdb1bb8cbe7212d655225fd0bbbeb85bdd617a89595dfffa3130e91c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}