{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x6022d73b6b57b443e9bcc6f4ac52e3ebf7372aaf45345e7662d0b71036e48e7e",
    "signature": "0xfc2fd699b7fc084ea5730c8e292bbee4c67b9799ea47ecfcc76d8206a772c3556e1baefbd8fa67a5e7668a14aa773122a98a6349d02464d85ba90110016d59041c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}