{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0090382b34936e0714331e5962e344a4de2f75fe7509ab143160bef287e8791f",
    "signature": "0x51c40cdfb2feafb1c77e01e95b8ae5a454998907c7af03155c562cdefca2362702d8e8c98e987981ef104d00dfeb6162e87ad9f74cc02ace41e3697edab6d8681b",
    "signer": "0x00f05B05Bc9c31DD5734f568990aC55C78d703B8",
    "userId": "544594591"
  }
}