{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x057b6ae9719aed60cf913b738059da64ce2baab83b6fe5765c1bd1b3a109cc82",
    "signature": "0xcba3247fcf113b63d831e26993a63479791437ebdc7eb2d729dd90fc8d5848eb25835be32e56303f4e201a1bab94117902c6fe35d69242c590024f7dfda38b221c",
    "signer": "0xb99693DdEC8d0a9858Cc4Df26Fe5FC4CD3A77832",
    "userId": "161924476"
  }
}