{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103086",
    "entityType": "User",
    "nonce": "0x46867fa90159b3a88209be42bd8b69e9c60169fd62d0ac532ddc63170f517408",
    "signature": "0x729a498397daf601a1e66332756178f19e45baff25d4fe2e9f12f761e133193b33b739191c98d5263d6f7f340dfff2a2f9cc2feb46306c4b84bbcee31d6759591b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}