{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0x497ba3978e148e3025e570d529ba0e9628dd96c39dfc879beb855786a59a90ff",
    "signature": "0x6d2c8de2d8ad61e4984f4cad0e9c50bef4dd39238337b43827d56ccaadcb6f362ce2693be5016f304b726a0b16cc2a294c7318a56c1dc2b5317c87440628d1391b",
    "signer": "0x29ffB0403B425D6Dd53D7b96a9192b4140240284",
    "userId": "244961"
  }
}