{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648829081",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4453da87be63a6eaa4e72a9d4cabbccab4c8f159da39002324b51e688c150046",
    "signature": "0xf20cab5f1a2ae89e9aea0798da667cf405d7eae08a0d44e3220973aa6387405d354693efee4ef57a11b13a3088dbf29916b9cce00082494fca13fa7dcdda536b1b",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}