{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x2258a33463575a7ffbd34d1be48c50b5cd14fc2a3ddcfc0ce7e75154a98f9a93",
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    "signer": "0xD71D6a61b797d5436c8d291306fd7DbCe6257Cc2",
    "userId": "117522"
  }
}