{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1209764405",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9232fd8bbfb7e2ef0df92adceab4bdf2047a07cd6fe5a39d1d4b4957c58f77d5",
    "signature": "0xf1ef873ddb01b43a5d0dddd6fe65f35fb63b8a16399d4449049fdcf184d4bad0308d37958bad9a4e7611962b4059929cd02e1380ea954beb80f750189138e8611c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}