{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1584941",
    "entityType": "User",
    "nonce": "0x865c740c1b0b0a2ca951a06391e03e2aeef53a9eb34cd0f83a30070c99fd2954",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}