{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae6db8b1661004f09b5a0cc30551de6a1032bdeb1f91bea93b8760e339cae6ad",
    "signature": "0x13e382815360083d5d3b002e9693ec1c929eba98b31660dcc5960df9bee429b71df1f61eb7d8b973d359f9c0a33fb9ecdb3a644763909d84b7f764bc37d82bbb1b",
    "signer": "0x4E936c7100AF594c304cF2137a641919d1FEa2C5",
    "userId": "805151546"
  }
}