{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27667",
    "entityType": "User",
    "nonce": "0x337c98f78eb5f6efd482a06b3b6f405fe84bb866bdfe38ea94bd6d680af247d0",
    "signature": "0x8c709e3f8c92c80f84e4db76475bbc4db2449fc589dd7e60671314097fc800617b651bdbaaeba29c2787148c9c5f7b85174ac383b881e3dfba7548e377d2293d1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}