{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcd10a2b72f294a4602c17fac682f13dc8f637bba9f8efbb1365576e99a27eb5a",
    "signature": "0xafe632f273c25bb14bc544ceb5d0aa8123088cbabc7784ba457070a006f5d4ca0a8fe98958558a56b00f32d78c8401c5769b09859cb1b312d8d0af79d9f7b6911c",
    "signer": "0x3fb1bfc1A904DCb211FDe58A7203F73e6a4D6668",
    "userId": "379730232"
  }
}