{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203116",
    "entityType": "User",
    "nonce": "0xb90360faf94e4a551ab3546c21e36f669c14a4fbe1a28cee51e5cbe6e444921b",
    "signature": "0x25fc67bb97e4d05abe5dff6c6e2b5c7720b31abc793231d93f65185d9036e3074442b1ebea6bcea547d3a678331319b2c94a741aa8592aa77ab5bf80dba2d0ca1b",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}