{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x5e51394f7da8667fe3a6e8da9f07d0bb19ebe9aa4964b7d086e8a3e0261f41e5",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}