{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50530",
    "entityType": "User",
    "nonce": "0xbd7b62b5023ef0a4e2334e3cf5a4257e5d1f65a0f875151d765909a30c6cac3d",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}