{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516184098",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x543f302bd4550005f50684a7b32a0d72e534e26b54cf5d42e49f7806a5b2e309",
    "signature": "0x9573c52a6ef89c4539b86a263d696914c7084d69e04fb89d669853ba0f86bcb34b89f86ed77780094b10471c024b3d69527d5086b6ca0f5e4b95581384796b7f1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}