{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860501393",
    "entityType": "User",
    "nonce": "0xf274d50d649574342ef3308a63f87a28bf674a99dac201ba0a6d033196c6f69e",
    "signature": "0x8114140a974f249dafdf9d6e8b1f7081b6317bab83f5a0af831512faa284905979987a0dbec86f7bd3e30984ccec9c4af5ef5c66752f6a59441ca8dc41f4b04b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}