{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59503",
    "entityType": "User",
    "nonce": "0xe4d8590a0704f9ebfbc06539a69836d0e2121d5060b44c9d214e48919d24c5da",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}