{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11716",
    "entityType": "User",
    "nonce": "0xb4e5f9e7a4d6c5d074b91d6f6160d73e0d2ece363343ca2526e786550ac8162f",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}