{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984204836",
    "entityType": "User",
    "nonce": "0xc80ae2ac51f61968f018c69274ae321d9bc6bcd4c86354f5a613ef8361c6f2f5",
    "signature": "0x6d8ac49e0336584150152cdf0e00f5ae42b56aacd51cae50db366d2956800a1e0be9e399e067497c9eee9bab6d298f5323c9e9df9d919ff5565549f8bf63e8571c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}