{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x63c413a9200df3c5f4dc6ac9b1c3f4e71fbcfd99540a261b359cd6c8f4b4f4dd",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}