{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xe45252a5d905da6f042e80a86432ee41da947b7fade40aa14918e5b4966a70e1",
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    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}