{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xe7bc9daffc6998cf3e0b27b64cab864a6fd93a513b0cf44cec618ef8e04d5cd1",
    "signature": "0x5e3cf65396eed8c24f7c65393f1b62ec80f92f757990504371ad19cc028caa6f7097971da75bf9b45e996bd49eb47d59b8733033f616fd6236063be961b07aa91b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}