{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0xde30fc9db25319db45b312ef61265a2a03c19687aeb6c3fcb77e8dff89eed56f",
    "signature": "0x555be2a81d090e906182ac02391e8b56d49ea84c7634d0a9ad1dfb7aea3248cd2174b86b4f370a00bc3170bec92706b66f2812d3fc7339d1a94b1c53724ebccc1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}