{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0xddb6412615db7dd6e8bab87468d3c7d10c651f0c585c171f8baf0637d5ba48ce",
    "signature": "0xcd1c2e674dfc898154ce473e22636fb6b2427cdaf49901b4e5f08bbd526061b40fc3468ce199f8a98048e7baea64f03f325ecbfe678f45b99ff6293d80ed40951b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}