{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb215ec80a406b4b723e329f054a32d0a36722c117ae809db75d26176a828d079",
    "signature": "0x5e3ab42755bd59ba6254ce4edf7ae7fc84d09fc11a1f6ea84da55481018ad53644d42e2e9648a706305c6e7394e0e5c1e0b897e8b44e9f1cbb4eef5bd413445c1b",
    "signer": "0x6Ba188D49D203B030fF88Fa296CbAf5468Bf593E",
    "userId": "285455852"
  }
}