{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951886446",
    "entityType": "User",
    "nonce": "0xdc453e45faf11bab74f9d6a595c6b12b8c95bd4c5f1521a070c0c4871970b1e7",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}