{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0x533231e5fcf1fb0a720645d51039dc6773ea282dab19b9793cc7da268894b280",
    "signature": "0xbf3458e4159976ecd96764b599faecdff741a15992dae0be58cc40cf85a1efc81798e910026da25318615931a435cdf076c73489e8b94ae3a1dbded40279df7b1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}