{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3b6f108f3228f21ed0d50d88621ca5c388ac414aa98d2065074fbbce361c9896",
    "signature": "0xdeb61c8ab92574241044d3eab54f5636ab78f042075ece8e72b5d8adbf82a4fa2afce3ac991e848fa491db4689f7c0fec57f416385f33a031dd125e5314138021b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}