{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x727c7ec7e2e018a48e11c06a85962d7b80450e92045ac5b419c8225edcad0599",
    "signature": "0xd15c8167ec228276cef51042f357a5370d0335c0c77a2e231bc88f051c9ace021364bbf4883bc5dc9047430a7240346796ecaaaf29370d1836f38c1a6a0043b31b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}