{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978785085",
    "entityType": "User",
    "nonce": "0xaa8cc6614da0d2488199b2f5cecc587b524d8b57eccfd71a3c08edd508266390",
    "signature": "0x0fa048925b86a98ba7a553ba8bb5481ae206fe867fbc76daf2bffd671c68862b25c81c8a16a0234c4126457c05444ae1e46d09c1bcfb0649119422b2d54ee20d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}