{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x85ef9bd6c259a54e2bb89e03adeacc0c9c5e2d84d9413b212df1dbc7cccff88a",
    "signature": "0xcb13c2ebc75acf5b14bd3607c07db59ec26459e46f0dcc743c7de88aec42e4a6743a367cf4358a07279b79362c016744b5f1de8d8e20604f1b9c652ad9bb0be31b",
    "signer": "0x90Fd90dD6089EEAe473E5d50F861D546521459a7",
    "userId": "438760710"
  }
}