{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0x6830c5fa6c778d7bf8e30482ceffc44a177ff598a1280d60ea2c056ef18406bc",
    "signature": "0x9b5f1d59193d26fc32c33b8052cf4af68b97e649f5e0cbcdfe30792e37aba99b5fd3cb6379a5c6dbe777e98632742e364b3a68d98854c3285c7f735ef1292aeb1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}