{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104687",
    "entityType": "User",
    "nonce": "0xa5d0dfe077aaaa8e67b04c2b3f2cb9b004d4c19a66658d3583a95893f2f7936d",
    "signature": "0x8134230df21191bed22002891a49bc1ca9e03868ebc4f5ca9604c0ba615de60c171c1be28b157b451cd43906d70ca6ce9bbc5fdfa4cbf0d4b94050d778dc9d951c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}