{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe432c0f6d92b50d4acad659316901f1197072d930873c4f0eba45023cce1e927",
    "signature": "0xf27fe2f1e5a0d3d5a1216d62324d74c17ed5bc72965648b2e381fdabc845c76b37e512b856a3d76cf1332192842baf28e236c3158ab8c66caa5a22996a65bf701b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}