{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x2c34d5eac8b97e9cf2408ec20a0e9e0b2e6772e41265a99e5f8dced834393ec9",
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    "signer": "0xB2A34b43465721B690e6CbCfB42C0cdC30050183",
    "userId": "103086"
  }
}