{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfbe8d0e2dbe3284fd106f1cbd705a826fb5c7a4fe14b7f270a0254a97839a0eb",
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    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
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}