{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235383",
    "entityType": "User",
    "nonce": "0xee06a2595b48aaa897a5600ef896970be2ef2882f68b2124ba24e89e4096f4ac",
    "signature": "0xeae9745ef0ad506e4dd6f7ba74a818f112bc702b911c16a444d99ab2813c02810da1e60f402519d5f7197d523a0b0a4521b0cd9f3b9edb650679b90b759306951c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}