{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1439165",
    "entityType": "User",
    "nonce": "0x8d358866f530687e3580c7cce91b346bbcfaa7346c418b68c7b96309b81af94b",
    "signature": "0x8c1c05f52050f3567b8ad6e1188e1643640cb05b73a956dc757e02c0380624344ad628158e314199f44c7165f49a5cea2dc248909d1bfe4a831dd82d283aeaef1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}