{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389780",
    "entityType": "User",
    "nonce": "0x101d8574419a67d6633d51ba2f99fcb9003276170c6aa44aac2f5e3b66d49b99",
    "signature": "0x4ef85fa222f37c26efb79c3cd638d6221d44a74ca17ed4ea16761cb2e8e8ab91301907e297f61b36a6df4dc71a294abcb827dac8cd80248637f4b1d2e7af2f7a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}