{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x3b245d652d47765561810f576c7d3a320c503c69869539788e031e6622e15ece",
    "signature": "0x47a5f1f140bd69cb23873a6351fcf92312e9a062cb4aef35f834ae1b8f7fc8b9712d42493b8b609420aa4085ab1fdb9fd2f1c0e4502a7185ec2be8e8377d88511c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}