{
  "manageEntity": {
    "action": "Repost",
    "entityId": "355107570",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd90ddcd2a07e9f0e7e9ff12cb6a9098f1e325ebdee6187bcc110e9dee4962953",
    "signature": "0x568355897ff445bcfde1d1e287c29050179ba21b8b4642dd9d9de6ee75e5d05b11a4e389202755ce5a3bae8340d322909e7f060ba2151a2339d9f7c18059b6921c",
    "signer": "0x884490CFa947bC5C5d41834F53666866b78D19d6",
    "userId": "475900419"
  }
}