{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110527",
    "entityType": "User",
    "nonce": "0x7320a7dcdf215c8ab2e49303cd4b11e0dfaef0cf3b8c9c5ffb396faa7d602cc9",
    "signature": "0x7af7b1c34948c24f3953061b190ad7f4efbcee5d2564ff3a0361f190de2efa2a29808258f305d2322f55129ad7733f56fd8c475c032052bf276248987ca1f9f21b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}