{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1507863147",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb8f8385325841477daeebca723bd0f8bcc7cf566b3f62d0841c163529855ddd5",
    "signature": "0xb8db744c9b45f06a84cf3eaace21ae893e10a1605ebf6953ed30871ef6a20bbd7c865780ecd97ceaf31af4c825951ff2e7708079a6158a3a9b38417b1eb302991b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}