{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbdf805f00baa0fa94612ea1f402b0a6a9b0efd60f2b20a5665647de585576931",
    "signature": "0x106db29b410ffe05bea3d25e7702d7033f7bfa3966a729f7d96ebded90fa66215fb9ee7f7b0a1d66fdb5fa4a9327b1fec4be7d13c6b544a1d1b061aae4bbdf131c",
    "signer": "0x10dbAfEF5bF15DAE942Aa32B12939c4c5fF6fDeB",
    "userId": "387720901"
  }
}