{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0xc8ec382a98309b16ab63289b3f27f8dc49a230c2fa142ca73888bccace545987",
    "signature": "0x9223f41a3f99e093998b112ab2f945e16d674a3b446f120060e1224c196bed121d5218419da6ed5de3940abe5ce8a54624539d7cb27daf16a9fab5d099d23ef21b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}