{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69306",
    "entityType": "User",
    "nonce": "0xf6389903975f1858af69b781299b9924848c122ed82704108d765061a9ffbc26",
    "signature": "0xe7de8b9d8991a472f8b00a48ea076d9313baa750aa43b3854fe223f4fac88c81165e1111d9e7b55527af1288774353c9f4fb0c82f09687f9d1726a9f03489f651b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}