{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "407339",
    "entityType": "User",
    "nonce": "0x5cea5c00b333374ca70cc4384e57d32cb2a564fccff15ec92d7739a5f91a7847",
    "signature": "0x35dd6398a5b90006797895e46b7ff0b674e3602571150fd6d26d1f6f615440ba62998433001348764b3cad46816b6c26bd3ea70732e9ab94705c2650e67f988b1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}