{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361667",
    "entityType": "User",
    "nonce": "0xa80c9a977947ce08d2f6e499cf8e4cb05ee86d323b9f91b2ac22e2deb4e7fca7",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}