{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60372",
    "entityType": "User",
    "nonce": "0x4557033d4621a7016af5c34be73c48ff054a221d24a2e2a1d5cc7bff58c9aaa0",
    "signature": "0xaa5078ac3e633c64ac495454004ea729cff0e292217299b775e78a842d9b704562e675090302396796c9ef947027f092d122a26969e678ff0d1de8923d17ee991b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}