{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x46c54ca7ea2dd4042a95b45685d7fc80994824ce83601b5692e4807636b80867",
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    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}