{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3e04d78847783ee7c49443afcebc486aa67532cd6c045d024f23d694ddbd876c",
    "signature": "0x5d71643c38de5b15fe40a1afd3050f15a04fa8a1aca735a81ecc8a2e1c60a1b14ecf50d351013cfa3c38c5d15bafe704a9b1d889f152263a535f26144d6634481c",
    "signer": "0x8cAb834F826D5A147bF5434142f6D07Bc0f4978F",
    "userId": "827837269"
  }
}