{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xb7ad18991aaba3776578c08c2e6ef14381d8faf9f05b1096614c75461131bb04",
    "signature": "0x315c0ce467501d5bd5b6767935fd1800a3d0a46b01bcd5e511614dfba0768c2b1fee2e392f4b9a00875be7ac58b2602c31778b87a3ae6cbce42b926ca1e632811b",
    "signer": "0x20a821B898F6Cb6BB0E5FB2460eD4225B40Bd68D",
    "userId": "198400104"
  }
}