{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcab429f7a8bd1d92b0da40f2f0702e636f877d0d2fbdd72d822e55f180647057",
    "signature": "0x02756d090d4a8c986d57d38fa0924564f28592f83d5ddeb22e2a6712f766097d39e0bd2c39b976a237ca148d4d4994eba2fa98f84d4ca57e10eeef3bebfd5bc51b",
    "signer": "0x46CfB51Fda6B1829B8aF13F7d99133767B3F3b17",
    "userId": "467398673"
  }
}