{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xbf46aa511d93d540179091128469738233267c8038b4c3820bccac6bb0a73bc4",
    "signature": "0x0ec3c0c1607d2ce1d69dedaa5146d24f5de9f802d0a1a277bf9fa0d25e5d9c265f6b36ebe327cf548b712869e9dddedf989dfe9236e1fd4ab39c9a67ae6faa531c",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}