{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372047",
    "entityType": "User",
    "nonce": "0x29baa071119f35c00929aff1ab368261a7eff8fdb3f9b1ccdd05d8f4273bff96",
    "signature": "0xdb2584d4446bed775a50f0103e173619b03fcf699e732387e6aabfb1eb7499ea26895b77081a8d0ded4ff517bc2552e12c42c594c37f596cc40ce498c86ede5c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}