{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x013f90fab696799236300d23d4cdbaf6279b80d8c1542a44e46d05890afeccc8",
    "signature": "0xe55c7f509b79d836a77ae63da0c74514622f2810fb2db32504f1c4bd654f97be79a539cd2c766f102c07f37803aaaba5f530a11b87d52bf9ece2bb8a334844571c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}