{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xaba1eecaddfa1c7970974065fb4b4766e158dc43cbcc21df696bff910572415e",
    "signature": "0x0502545a7f22e79a4f1f688a1fafaefc1be339963e021578f58ef236056a789449a8a4af0d450f589a4f2d01326aa17f7e5c2c722b45290778b40ad66c7f8de81c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}