{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd46844ae0e9248c8e92a088f09af07e769d0ce2f85a13f87d4de0a9f4b4d9ff",
    "signature": "0x4f84413a2a5e0a4cea7297e6bc779065cc5d5f1f0cac5d007956ac6fc0130f1629d80b0f98a0471e436397b77ddf7304603381428e49d6dd78c6023702be21701c",
    "signer": "0x0daCbB079253251535db288304bfE79Db047A514",
    "userId": "844682015"
  }
}