{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x260aec32ea8102abd5e04c671c25a2a27b9abd6b20393e19ff08b123289b50d2",
    "signature": "0xb97c36e660d31ec89ee6d7ea14df8c44bdc3633c0018a67089e3d7cf9816b57f56732a339aefd65eba04604999a683b58636cfb223ffedb3ec6bc5598b8defdb1b",
    "signer": "0xDcA990D6fdCA454B4d98656c1fc44a2174fe1A13",
    "userId": "441858988"
  }
}