{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2382",
    "entityType": "User",
    "nonce": "0xbb779f13e7554fe9e5b753acf6e2b1fcd11a0dde497c7d6ec3fc57ab7254f36d",
    "signature": "0xce9c3f4bfe3a69012e242ce2373815aee4a3d8a1d66ab4fd33eba8e40aad64bf64cea97e659c14d655b7f494ce46118c87869a30c8f5ad7d89ca464a2bd642931c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}