{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668164523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x705836709e522b1c434a9c82ba2a421fc05cb8d478e5234bc89662092dc86503",
    "signature": "0xcf08c04d36b2279aa63652857e92be3d5a1517d531fe5bcf73aee56034d47fea1f847466f2559ec3a09d860e13d3a52251ef043872b5845689b511da38435b0b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}