{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56493313",
    "entityType": "User",
    "nonce": "0x128b94ebedaeea0460a8dba07569b7ac682ee2845501a050874c595d252e3499",
    "signature": "0x3dc8fc2784ac2babc7e34f242d7b93b1873dd6309c271d86062725fe74fcd70f748d5426da768acc33be6179f3d919c5f1e3abb4261796a21f2d70a6bc57ed4d1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}