{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47399103",
    "entityType": "User",
    "nonce": "0x1cfece5888f87036de805b76865dcbaf074301f2aa20db77f3af259bcffbc3ac",
    "signature": "0x74f99d18d953550c6a37fd8f0fff19c59b046a46b25b13289bcee15abefb79a169571e7700c5f540da0678676ff096da0897093fa04fd3e3b96a743c036632471b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}