{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8158",
    "entityType": "User",
    "nonce": "0xc25ce19148488e5b2693d1fff705d702805bda000de734a4ba5e479586fc596c",
    "signature": "0x27f593daaa125912ebbeac126c26bc13e2bbf71e16a4b2bd309ca9c30d7abeb603bfeb2a7449956a72fcee01af96ee4831a268d44d5a080bbd0e6db589402b7e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}