{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd708a06dec50841261dd72bfc8696d6381d3b2018336af5fc143bf29afc4adc8",
    "signature": "0xa9f4a0c85b84183d8247f157ac1622bee7b694822f7277269f802d399634d54e0d4efe083da446c07a34f3de65cd05216a645bd80955d4c4cc7338a6b0a82da31b",
    "signer": "0x069E9147fbc948d1169B7B8e5C452BBCE7129a92",
    "userId": "367519364"
  }
}