{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xacfba91281655188f2c2a6e24a85e4cf74135fb76385fc20c95470a34bae219a",
    "signature": "0x88d042f0c43a9fb87d092248ce462419d1e23c0c5267b2a1c65993f258f493f35572ae57c271b92832c1f74b9849b9ae8593bf8eb59e77ef2933f1d0d9d0922f1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}