{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x27117d7b59aaba6e83f4840abb8896ece0faa4b52b4693c01f780311e1302db7",
    "signature": "0xed367311daa56acc4233682645b77db925d8c9d4e304652b3358cceb7b8410367369ca6372d5334cb359b893f3dabe9e7b9793abe0a8c95da9a274ee15854ebb1c",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}