{
  "manageEntity": {
    "action": "Repost",
    "entityId": "663923654",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c1b44f1cb4c9a141c89158cfb9a83e9569b1033e6fad348b4b66fea3d508953",
    "signature": "0x73934a2835281b327f4fe2b1078f69bd71575900e79c39c072cc2cd8c5eb29f90b327156568f378098ac1254c633ce2c4532ef27b02b351b1cec507a88bfc74c1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}