{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x1159409d1c6ecdd886c2443cc6bd697924d8033dcfd55b372b9792e713ec3dfd",
    "signature": "0x7a0ad1c8910ca9a7a2a84cf0030b8ffaddcec0a017c4f4f79841176574d13f8414ad8dfc526ad0219dcf72a5ad8d0e1b07caff39a0834978a628ec26200b77ed1b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}