{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0xc06afb7f3072445087eb50bc185191c9d90241caa12e77481191231d8c2ea9f8",
    "signature": "0xbad5af1ce93b150bdf443210a64427010148dcfffba05b66bc99e027f99095e05cfaa34932f89022c5c5bcb8e7cf5867f89d462cf76a6e015fbec5c4c131420c1b",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}