{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x48761d5e5e61d712aba57d912e5f450e6595fff8d362bb63c4d4318c74f4796f",
    "signature": "0x548771f0b2fbc83ca9c6dac9d6b4ebdee56ee4b08291eff64bbaba9d60679e226b9b44075481f2d9bb230f6bff9bcb12562ef96b3eff2a2dcffdac01a72aa09b1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}