{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349532676",
    "entityType": "User",
    "nonce": "0xc22d604ec3f1b67f91625690b61b5d1a96a829e038ec2583e4519f6bbb364827",
    "signature": "0x7190e6780cc0a1bb377c02e129e54e084aad2ab2172e4e4efeb35afba9921d030368dab3ec59faeffeb04bbf4790142e8c6a8fab3bb52a137bac0ab5334f76931b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}