{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381084983",
    "entityType": "User",
    "nonce": "0xb9235b75bcfd547b5642ad2f7d356be2b1074d334bb66d13e0a6254f2ae64b7b",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}