{
  "manageEntity": {
    "action": "Update",
    "entityId": "150764223",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0xe7ed614419aca6a56d519df721442597c103af64b23815eebcd80f15c99a7a32",
    "signature": "0x9627a534dc1bef7e72d1a993d57ba912e121f5d89b5dc0b9b39972524be70b82171a98d387ac7c5cb3feb3907fd1a8bd3a6c584fc86b5ec0ab3ed95e34a27ebd1c",
    "signer": "0xd54c17bDd81CB7e1819cb1f2EF085BCaD3cbcD4e",
    "userId": "150764223"
  }
}