{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193140142",
    "entityType": "User",
    "nonce": "0x198f67f64a1a1b374094fc4d951546bde7b044f50dc0209a08537953145e224a",
    "signature": "0xc825fc9c0d08f2ca716e3eee1b047feb9e85968faac794d28aebfefacd83297d11ac7068fc1f74d432c1afb3e83302524ad43ea967cf121eb5cd305dde7b13a61c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}