{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108626",
    "entityType": "User",
    "nonce": "0x05e5054c07493e6f3ede82f428af4a1e6320de0b1205fc9ac4ba3481544cb7c3",
    "signature": "0xbf8caa1ca399c4d7e22998b39399302743deb4e88f406e4eafff5cca6f3c2ce11a80299b5c2cc4914b503900a7e6a9983a4cef86422311ff1ac3943dc5f0ae381b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}