{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x4a569b7c5bab89c8d0c5457a1ac70618b38ecdedbe0df03bc3cd4457c438b8db",
    "signature": "0xc48bbf08b45ca0446a0a642353e5403ef976cb69db171a1f67a0775f7d69913c2e2f7e64924235a7a0de65c47a107087c98bf34e210067046f6ddac888c117c61b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}