{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277914704",
    "entityType": "User",
    "nonce": "0x6a65fe7028399064989a3053e3d2577c1cb40f9110f0e126a9ec6a0f4a841a8f",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}