{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176077843",
    "entityType": "User",
    "nonce": "0x00f534dc9765f91a5ade267d8c78821d54cb82a226eda04409cdb501793c8231",
    "signature": "0x4d6b08674b679d9fed41d9c9f0e7e67142c944b3fa9d8c31ecb8cd981ad09bcd396129e1159e7a14ce32239366d6f6340cca497d6b379bef5b8a3d020c8c762b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}