{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x928e9a9050eb8d6cbb3cc3b39549dd0bc0982886a1fdc72f8dfcd68b3514b3bb",
    "signature": "0xfdaf808bba1bc081c0943390209f04cbcab8c24d3761f6a64f257aefa8444d7609be5e9ea586451b37c31f6f29d2661be8ca242ea071cb5b2ff211ee8860f4121b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}