{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357250",
    "entityType": "User",
    "nonce": "0x8870dcce38636b648351359331be3ea4c9498bd9c59ec500947cb48264c8fc4b",
    "signature": "0xd31ce7559b39cc52fa67cb96dd85e67cb6f8421c5121d4a8dcfc99969665df4e1e5621148cfdd54f12c1c4668b5b40ee16004142b9f897ba8106dbac651d37ce1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}