{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0xdd5aeda4c5866e2824a3315eaa1991e746b37c14e82e68db99b564031ea2457d",
    "signature": "0x9961dfe98a055287d7d4d2169e2b30403f717d8d6e73e0e38100e3e7dffab596297c1f74e97e4df172dc2d303666cd421c758d79bedd957297f1cee8dee75d2f1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}