{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461037687",
    "entityType": "User",
    "nonce": "0xbeea468a9fef76472244736b3fa67578faf77eee3c167791897bc76ffb5fe74d",
    "signature": "0x87812d368f484363e6d9ff32b4ef35f317cca655310841a5a5c57beb9663809440c574a842dbb48edf7edfc6a62cdc82067f383c6a789b10bea4502a1029658f1c",
    "signer": "0x2F87bb373089af6C75e3362077A0E52A4779f72c",
    "userId": "582715056"
  }
}