{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346849",
    "entityType": "User",
    "nonce": "0x16ce8acf8392044903539cf2e9f658ca7cac47e5c21cc1a839a65503050b77fa",
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    "signer": "0xC276fF68426672F516C841b992c54507ca235637",
    "userId": "382050600"
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}