{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46433255",
    "entityType": "User",
    "nonce": "0x17a5a7ca58c847901b661c11295d6bb423618ad83cbba536238a27f56fd42d63",
    "signature": "0xa4a2d3e843c6763b85433283136324cc62d533a514c106c944037a09d97065cd23127a7fe0ca98228a261d1e587d2decdbe1ca884e44d9e729f00d357bc363bd1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}