{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353183",
    "entityType": "User",
    "nonce": "0x8bf2f67b1ac043bd7f4adbc1df92078721386b7400097d90a5f93d89ee06caf3",
    "signature": "0xfc67ca02b2d7d7e9d64e5d6f4a7a145e7d6f35e9ebb8ede0f0608bbf9c73528e02a257c6e02ced901e251bc14de55501592e326e5e7446df7b2f7998f620db131b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}