{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x047b70f84a742fdee123c39326d12151d5617f77803f6e1a47a9510284cc5808",
    "signature": "0xfb31c74803e0c49ee2aa549152382931d2d12b1f077835c45c07a448e7b812515c82723f341b351fdf7802b2a69dc65c3e41f83cb22ae33d6e52f1c65cd601771c",
    "signer": "0x251d9fFBc4029d5692B08aDd0a2D4ED2e2e4b94F",
    "userId": "897281977"
  }
}