{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "662401989",
    "entityType": "User",
    "nonce": "0x01847b4c3afb0eb4cdf7a18ba18fd2684ea8d2fb6a1574d91ab9a17c13d5bbf0",
    "signature": "0x4152cf1e3d13c763d4465eb341d0ff53331e7c744a5304b41456121306ccb5ab4f9a2c57dc249aa92f4693193c0fe111b9842fc7c2f518cbae1391f4f5be2a791c",
    "signer": "0x32b65D75cfE16eA219975213a981374A4aC2bf8C",
    "userId": "691038481"
  }
}