{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195346362",
    "entityType": "User",
    "nonce": "0xca934ed4c07f54b63e8095775aa9ef648656c2ce2b94a92925defeb646546006",
    "signature": "0xd42ce1011b8db40a9f855375d286c103dd1f0115e9f8a2fb3c5e5b8a633b90463e1b484aaa97d8080eedb5a063df05e4a6cce9652e4a2e1d155da66c337cc9b91c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}