{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826249018",
    "entityType": "User",
    "nonce": "0xe516d9ed2805fe582cfee605d2d98c17ee65198695f92f89af7eeb63b66591ee",
    "signature": "0x9a4400183617373bfcf077f4dd6f340d5f4b008a15c4b9cb9fd958d691d441b86756e34d7c618439b756d6fe35d07ab699dfa672542b35233420025652f722771c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}