{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xb8a350f2dd34cb1b915a09f0b5d37681fa4436edd6a141850ce9b234365fd175",
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    "signer": "0xBbC76acc89878f0cef68B16B657aB14f79B8fb09",
    "userId": "25725515"
  }
}