{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368784",
    "entityType": "User",
    "nonce": "0x90e80f6eaacbd52f5bc06b66af5dedfc1d2430e9eccbd180f4caf4661f1968ff",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}