{
  "manageEntity": {
    "action": "Update",
    "entityId": "150764223",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0x1b35fe8e91df967ee408fa72d89d60c7997dd44c56b4c66ccb0cd89b2aea95d9",
    "signature": "0x4aecde9b04da19e4cb872c633c204c62a26eff01e80882b9eb7c67eaa9387a5801b3b9302de47ceaf23d60fb5dcabf613962924d63000f53259c05c4a991d5781c",
    "signer": "0xd54c17bDd81CB7e1819cb1f2EF085BCaD3cbcD4e",
    "userId": "150764223"
  }
}