{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x6644ffbe88e37f04a2fffb6cc9cda12e11e3f5c677509afdea8da507a3927625",
    "signature": "0x69527aa6222b49e0b987eabe80f8e47fd596bb005fce0d9a38efb9394bff10af4cb44030cfd9f630d9a7869a4989761eeac0f80adcdcbf523ce4f6d75196cb791c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}