{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503763707",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc2e2ddbf28e25168bae4ec04d85bfc18f9fdc2fe2168b244d4d2a7459e3219c1",
    "signature": "0x60eea8fed22cf97b0123a42b953f794cd471566880d2201e86d871dd16fcd1784c4e99049a886916d561f966db2af993706edc5a6c33698a33786c91379ee6431c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}