{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335904",
    "entityType": "User",
    "nonce": "0xb2ef335fcd6fc8d6f0815fdea178ffad5101d5b96a4afedbe53ea43a5f112f2e",
    "signature": "0x51c8d9b4f1ae5c64537d43a3acc7334841558f5d92a765fe9fbc2dd9c27b773a096f7e412b4342c8903ed3f14dd5c3aa30c80a9b6887fb27a21de943022245f41c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}