{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "681864718",
    "entityType": "User",
    "nonce": "0xe8a68c8bb4114004d562827a99d2a327fed99e7426aac901b34b150a12f0a6f3",
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    "signer": "0xb10C19C3B0cAC7fCec2A27C480820d724C82840d",
    "userId": "341801"
  }
}