{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0x6ae431cbfdabba08fa83c478f0fee1288907fed0a4387cbf7aacb415141d4c72",
    "signature": "0x77133c7cc52e6e316910572b7415d7715d1b72c3cbf048aa4f3b23dc5031db355bf79d5c6b2b25b57d5a19e88eb7fc559302f688969682649ab739192dfc40a81c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}