{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0xcc0651a7661ef8a28e47525820f718df7737fcab459847807b4fa7738346ad39",
    "signature": "0x8399744ea52cc4692babe2aa1668bdc3da6d8acb57cf51d867cbb251b6671f276b7885266402db77a97d0bc7be1fef47aee39d2fc96edcae2c4d67e2b73423b81b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}