{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202433795",
    "entityType": "User",
    "nonce": "0x30ba23fb594c771cc74d2693f2ef7bb728b45780a0ccb6508b96a2ac5f6b321e",
    "signature": "0x99f564374ce09511c4c97d8d4d38b43484f68e3c5be26b96eb3984f39fa76af34dd3f3e2f08a9be2836bc63643166fce7eeea7d22f2bbde8b22acf5ed37838bf1b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}