{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458235906",
    "entityType": "User",
    "nonce": "0x439f4e7f6b1e664bff6d6e36428f18fa680596acd30d9bda49c48771c2bcd1a0",
    "signature": "0x73f804d713d761290e80fbe786f6402798b6afdcc0129a5ff3229ccaee6ecdbb055303a85756f16efeef9440a836ad19de82f8f34980927a05faea3f31bec9561b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}