{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "884579524",
    "entityType": "User",
    "nonce": "0x36e03dc0ab7b4bc7818adf0eae1e623b4aa1e97f8700248a698c6f0e27129447",
    "signature": "0x485c503db9d2b23222f96b3f513d108dd8e46e59d8c854bbff54beb7fca17548258f5a331d213c829bcb14a3f714ed6e3db4e45202ef416c35da55ffa05749221b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}