{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x1dd19b81368addfc672abf0a564ef2a77d9494bc5babe4ce64094ef9a107bea3",
    "signature": "0xaece2d3484c336b08d7b9c3e4e32cd33944ff2730265310714ceaa204f49198f43442afdcef60aafe94c0119fe14f38dc4193f84fd0a6eef4e75d183e4b05ede1b",
    "signer": "0xA14f5dF620E9B04F90af9b039d3c38167aA90b2A",
    "userId": "648437395"
  }
}