{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311859068",
    "entityType": "User",
    "nonce": "0x4cb38a7d8649db4e080f3aa98172876f42c033e942422561a48753cfb222b393",
    "signature": "0x171d3908ffa305062a9868a495b290ad6f859269aafc4c658cbeb6f31dc6323815ecde0a038dfc686a5d8f51987539d98edd72666c98c7d7e197468b882febd91c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}