{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0463d268d670000714a61e1efa72498c33d7add405229a4c111685b9f279884a",
    "signature": "0x31d67a071452dddb5331ec098e54e0e5850d47342bdca719e8eb04a24b036b1b35d41d11ce273023bb14fd84834fa9cfd6bae5a332f8cc6dc069306d24b6b8261c",
    "signer": "0x0A4960446feDac85686699076ccF93dCc3Bf1E8a",
    "userId": "318394990"
  }
}