{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x1638248653679483b8318e20d2e8abe4065d41acd80659836c9494316a4eef78",
    "signature": "0xba9f163c5b588d2b9b84dabb1ca4e217a5804dc9677da711a6ae57733e9350875105660de3ad1212e4536333e42cc014ff673f7cece12696527a1ccb23e6ca0c1c",
    "signer": "0x7b0673f85be6B6f5d7A3CA46d9b1F6DBe3D5F1F9",
    "userId": "310162214"
  }
}