{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x491f1074ed5ee7e4aaee11e2aa4c20b676b6899a1d5b647f43d2cab9361d7976",
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    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}