{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195211",
    "entityType": "User",
    "nonce": "0xd51581c0a9e1fcb35034393d9d735b11c29c4658db7d8000d2e8236e5f083cc8",
    "signature": "0x42c727a63b64c00ff2671590f0960fc3c15c72304218f49ef8c526387b1f1c1c59bce0a68318b5bba697efa1342b1236c82b1bd0c784822e481c869f9eff11c31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}