{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862512182",
    "entityType": "User",
    "nonce": "0x3c3798946802d7ce03bee914bf97f536d26367c380d2a982123af9d5be26a12f",
    "signature": "0x4120acb8e3b28f90003c008d1e4de8b13fc84cadd68df89b954c7a8a19c976b124e14733290fa970d240511072d80bd426c7c0637b49f2e1480af53df009adbb1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}