{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742426",
    "entityType": "User",
    "nonce": "0x4199942f87852f0bc5749975b2d636ce5ae25c10c31ec3a642d0f2062739b2b1",
    "signature": "0xc1486e9dca432fa737577d1b1e90e6231b2eab7d12301be00f1d9731e31fd46938b176005135e8c0dd63db193ae09fa76b8e76572a3f45ff593d48d49a1de44b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}