{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x87d09cf06def7cd6fef29fae07b80a808cc023e86d27426f5503cb0c52d882be",
    "signature": "0x823835961a45ba0aa05c33c244ebbbf61cdc3d985b26dbd42d15b8a40207019d7c8ec4385836e2ea7787f36ac04b72e2a2b984cd57d4ac202463d17e826be0cc1b",
    "signer": "0x20a821B898F6Cb6BB0E5FB2460eD4225B40Bd68D",
    "userId": "198400104"
  }
}