{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171892",
    "entityType": "User",
    "nonce": "0x279a367b7d0bbc2d37b8b1528850088b5d997e9a4f0ff1bdb5cccbf4b82ffcbf",
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    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}