{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "215993",
    "entityType": "User",
    "nonce": "0x0acb2f699e9bad5b321c9c0cb1aeaede9bc65c296ae265b21dcdd36aad7990c1",
    "signature": "0xe3ce54c6c46dbf30ff592da237c2d973d0fe72e945355f561fb05d16ee3e569f148c871cd98dd900e007fd1e59db19ed6b58c3c89bcff804b059bef712adf7171b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}