{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f8ecbaec911be2df60731a426117be6fd7ae769b0a35326cd7c8b6080ee8415",
    "signature": "0xab92602c793a9006550137d78f4929ef670d4b15312cce715e8b656f94844235775d39f9d3e954992652d41ec1b78ab96b559bb663e7125c9fdf2665fee105e51b",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}