{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa3f578bedf999e62b707ecead0d8351b336a888a9e988415bb295283b85f9a1d",
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    "signer": "0xB02BBf0dadDbd2707e225Dd9Bf1005429C5CF776",
    "userId": "541501612"
  }
}