{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21469",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xad5059236f2438039370f2700180a6234151b4df39c92a544ed8e566c1cdaf73",
    "signature": "0x39e2cece72925ac439d5e7a9e8e25695567c26599f0493287f507acc780fbac20a05492152a024978c6ee55855da5c18921647af7e0ac26f2cec3676168415621c",
    "signer": "0x2B28feb1CA15953a5a910C4E741698a24e8b3FE9",
    "userId": "887020893"
  }
}