{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57967",
    "entityType": "User",
    "nonce": "0x728f8d7b426170c98fab5403d5f0ec6e33826de3d2e26971261ef35d4b27ee7f",
    "signature": "0x0d5e2870a943660dabd728f50ab42631c32d6a7d628c0f60c297d0d62e5e7fef57261d62a6261ed51028bcf679b186dee5b9e15f39777737abba500d60d8c8e11b",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}