{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "289453",
    "entityType": "User",
    "nonce": "0x4eda7f8740652a84c5a07fbeee2fe4c5a3e15148d0ba10ba1bbd7ded82ff41f6",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}