{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313260",
    "entityType": "User",
    "nonce": "0xc0a38845ff3742e0e86ef87e4430817d1010bb684cf5a4d2925342e20fb10f31",
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    "signer": "0xB7DFA42Fbfc265800C1053e18a988375F083Ce95",
    "userId": "236807825"
  }
}