{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9962",
    "entityType": "User",
    "nonce": "0x9104fdff6324cb210e651199e3b61debce855b16d497fa7969c0c228e9690abe",
    "signature": "0x680147a065a5cf26780ffa8296bfe00b0ccf2c82d84740b54f2688a662498ae521ece69078b8858afe2604b4e1f5f87bf2cebc852033c0c800e26cf01d4698fc1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}