{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "667809204",
    "entityType": "User",
    "nonce": "0x8d2df954253c4fe780d8311e7dfd40d4ba060ff55165c6f45f0fde960cb0f150",
    "signature": "0x9e9578a11392644bbcbff871b9aea6a24900df0238f35608665bea8e1932dbff77eb02aba4287042744c391961428eef2176cc7e3478d8e076ba92275da0efd81c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}