{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58821",
    "entityType": "User",
    "nonce": "0xbc43f55ed9f7d6bfdfee6fea17334fd6ee7829b09de53e7fad46e8b32c7fa022",
    "signature": "0x526917628f5a4b5fef4ab0393b492461f83c7c0c51497f1ca68a80246abe90fa477da856f650d728c32ec78d800403d1aa86efe969ae523e3e2b8bc6564fb94f1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}