{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xf737458d15f16ff9f24571b4fd3342ab51643ab1320f55638f464fc0fc87f2f6",
    "signature": "0x2a02101d206a50c5f75d5f0eb8a4ba2900d637f837608eabcaa9ffb999d9a88a2a32864d4ae5b8d80d51ca6b25c034dfe92e2a74bf890809547486707c26c6191c",
    "signer": "0x18cb7436d75dc17251E18a4A58451F227FBD800f",
    "userId": "460533913"
  }
}