{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "424527931",
    "entityType": "User",
    "nonce": "0xa0217bedf18a63dffe36e52da38f451c70d7e4d0050ed92a96a625e4094e7b27",
    "signature": "0x07eb50cf06150f0b8511acf7156899142e4188710fa12a6f0f151f82da160eb00ce77ae76ceebf1f5bae75d4344eb8e1e714b212b2060254fd91f7e60c1ebee71b",
    "signer": "0xb3ec8D53b350D3Fae74A06a6023Fa66171B67E2c",
    "userId": "695620563"
  }
}