{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644285686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x920b330fc44489ffe3ab90e999cd1616b562f0dd88bd8d53a4225796244975f4",
    "signature": "0x8f986cec822edd5db0b510c552c82c5f136fe73066d7da5c3591c562f9bf1de6701b2957d25433073b143aff3734badecd93a7e49d02bde4e9d3be54102129b41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}