{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102394",
    "entityType": "User",
    "nonce": "0x8756c9cec0823fd76223d039221ad116557d9b0ea1744c4e204bd6095e678dcb",
    "signature": "0x7dddf8144a1ce71262d7740026c7d32e07062de35b29f6bbb488190669f26a4b354ceb801868591be54a458b600aef07f60b6190921a8ba72e34323f024901d31b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}