{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544570",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1a042141e2d2cad4094f86919c2a096f037808227da9049af969159a2fad3dd",
    "signature": "0xbb40890a593452d43dfc2030eac895751609d1e23eb24bda0c940ab6f92f24c2383075023d0f0727979b0a6060661da5541240d73e574a3cbb854c3783ec8da61c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}