{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xba08a6462c9eea709b6014501e6a6a144ba637274b88c51f17bc2c6752f4ea3f",
    "signature": "0x69d89f3f6df9946c9bb9aabb50ec522de64c2900d2eda02d18e053198ef75c1401487005090059957a765c951673b9f35fde6309207bdc724e26a40c4057fa4b1c",
    "signer": "0x1fdc5a13176CD8f20e76f80261123B1b356B161e",
    "userId": "592330838"
  }
}