{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151315",
    "entityType": "User",
    "nonce": "0x28fc1e7b6646124a466ab099709a62e1e95891b28943c9c0bd5828d0c51ef028",
    "signature": "0x8eafe4ffad1d676d28b5e19b27bcf678d352a16d9d3dbc4cdf6c4b9e327ab68b271ff31cdb32bf64b7df497876189eac1f9c6bfd71923699de2be359dfcb80091b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}