{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a96e8efc3d18d7d96b7ba6144ac90f9f4306e3ec36806f5ff79d54c8bb591ec",
    "signature": "0xfaafd6e5e0bc3b9ac0534d3140e89b7733fc540b9620a75d8bfa0e5aeae710de48354a854a5e01aadf2f813321acdc431027850c3a49f6ac15035806145795151c",
    "signer": "0x6e291757f96dFB30e76EaAd02EBcA330747DC4F0",
    "userId": "631010737"
  }
}