{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0x3d56c148290e2746822921a46741095859470e2c771a81e32468436bb62dc4a5",
    "signature": "0xe144bdcccac03a39581366f8a89f8082a47ceef68d6e9876b64329deacd18ee0526c806b2619e64301dc1c054ea8d4c6041030dc4173293ec1c208e1a4fed7911b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}