{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0x95e71f4ba0b646cde1d28d15f04c26206a4f8dfcdbc8e61ec79aba1450b5dfb9",
    "signature": "0x07b24a35592f79fd349843b73421ddedc0d876f46b33e7f19b43088f32532d4e6bf28114492ef9301578481dd8cf13d480f05567555eb66039598ccb88cc45fb1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}