{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595768441",
    "entityType": "User",
    "nonce": "0x0af4b5b63bf54f7bd7243a6776517c73bb327103d7f30962dc5517e7e4f9c3eb",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}