{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06c27692390c757a863cc08cde7b077ccb94dcf4de444d512561a0518e0c29e5",
    "signature": "0x8106ecc407a8c099a3bd24018aee835ccfb7f74014245b3979cb4c1a2a4ed519524c596447cc373bcf3b62d8c2a20108749650c7179ebb61d110f169fedcb5821b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}