{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x311f2d75a723d74911f0c3fb700f0489b97374b91b8d00e95ca31f2b30b00a59",
    "signature": "0x060f075a5eda2f27c085419439b54d44b414a1ae393eb95c17b63a242cfdda8b15a1d3706847486642751fe4c6cd63e6ad830cf069856ce7339e5a1a3e7c48971b",
    "signer": "0xf1b266FaB316100908263c082e562a5B847A0384",
    "userId": "575269234"
  }
}