{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x774b53eddf12958d2c618dc26c1a46b34ce0fae2da096c9961a3449ca7293a5e",
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    "signer": "0xb10C19C3B0cAC7fCec2A27C480820d724C82840d",
    "userId": "341801"
  }
}