{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643860693",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1426960624a11edda5be8347237789e490d58cd9089235a8b5a03e64203b1fe9",
    "signature": "0xf3ec3b5996005f3e99f0a01c110b77b0c1fb89beaa75c16ef3755fa87320158710383eaf09cca6a1c0f43e8a2aedb8ae44ed084d079ec294582bb38c3050b8701c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}