{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x66bb871b2840563f3e0ebf05219a58627ca3695ddbd510b31bccaceefba33104",
    "signature": "0x02b26a3e727ea16d246219d107a51bb152dbb2389d11ec2fb37c2d608ae9d64c4406fbe364ebecfac764608747b72b529ac8ac1d0227fb6be8c7d88b2600fba31c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}