{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1308145",
    "entityType": "User",
    "nonce": "0xf078a5aded5c3828b01a14cd0fd6b4cfbaef0419a8acb23838e9fd012f32f5c2",
    "signature": "0xc0285491fa6d2b562e3fa82acce5b163f142d90ec935e119b132ca13d62107b54e7888bb15fc67903ba0d4f11df6e2502ba536b8cee3ddd6b9ae8471ded695541c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}