{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84ea564dc281c9efae79a3f5394acce6e5f10ff1bd39b1b9b8366397bf947b47",
    "signature": "0x070969d036855071699ba896ecb0827cc2ab7e8ec07d6a785a77007a543bb55360a846210a22c9967f2afcbdd574ba61efe78341a7d3343709d777fe46b7ce041c",
    "signer": "0xf402964FB9093240a3fefa27eA55793248148d24",
    "userId": "277139387"
  }
}