{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x134ac81d750ac5395bde07b1048c52fc445426fcf69440ef11253a08ad5fcd0e",
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    "signer": "0xc00163EC4A1f48C70D0b676b7F5c071142de6C02",
    "userId": "227991193"
  }
}