{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x68fdcdaaba6b76ebdc3b388fda6f802fbb60c3c3c2466ec0924198bf43869ea3",
    "signature": "0x6ee2dd165b3169977cc52016cbc20bb1e291bd6f3503dfae1f506f62fee9eb0e30204989a5ef79af1f57d865e31e84118fe673f5b6feea39ec65edea5f396e401c",
    "signer": "0x2Fd8Dc4f1d96350CcB128B1cf1b47066015C9242",
    "userId": "716558391"
  }
}