{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xee5e36aa4ecf32d5f682eb6c968624f0132204f5caa5b5f78fb0614b43678bf8",
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    "signer": "0xC276fF68426672F516C841b992c54507ca235637",
    "userId": "382050600"
  }
}