{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0x646a3971600e7aa876c6c2228f0aa54cc671cfe4f9a76283fa4c88d2e7a4325c",
    "signature": "0x94794bc6948b40a9964a45a90e1bc5cc992ec7d21bc4c149304806a7de27623f3f56e7ccdc7dfb8f0e8dadde0cf16f0f7a46c95a99888054371fd96cb2ef6f431b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}