{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491452678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x59b7f42cbda21ea9d797ceafa7361c582dad733f6a45d302b252fe9f75c8878c",
    "signature": "0xf62107d18c45fe8b90b487925aae220b82cfa32afa02edec0b50424778c275f5100703e721471d20421ba4c7e260e92c02333bf6db42d6a6ec7760f9933ef87e1c",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}