{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1416721451",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2f90e4c0253a10d4e4e195b6b427f831eacb4f7f3fb00dc38ca79a0ddca91c27",
    "signature": "0xac76bd76ea16b67a08ca9c36ba2b54e4b72fdd3766836f2946b524fb9564bcfc1e26ddb9a192c73b041b7bb84a491dd5ec39cf26222401acfb86724ad7fcc0151c",
    "signer": "0x296F74dc3f08361c205B5172FEb1D3ecbeb5908B",
    "userId": "528574667"
  }
}